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cve-2014-0144
Vulnerability from cvelistv5
Published
2020-02-11 02:13
Modified
2024-08-06 09:05
Severity ?
EPSS score ?
Summary
QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.
References
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}
}
rhsa-2014:0434
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Moderate"
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"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 4.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
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"contact_details": "https://access.redhat.com/security/team/contact/",
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{
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"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
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"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
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"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
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{
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"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
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"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0434.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
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"generator": {
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"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: prevent possible buffer overflows"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0146",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
}
],
"notes": [
{
"category": "description",
"text": "The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
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],
"scores": [
{
"cvss_v2": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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]
}
],
"threats": [
{
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"details": "Low"
}
],
"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
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}
],
"cve": "CVE-2014-0147",
"discovery_date": "2013-08-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
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}
],
"scores": [
{
"cvss_v2": {
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"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
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"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
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"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
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"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
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"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
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{
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"date": "2014-04-24T17:35:56+00:00",
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{
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"accessVector": "LOCAL",
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"availabilityImpact": "COMPLETE",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
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"threats": [
{
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"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
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}
],
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
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{
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"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
"restart_required": {
"category": "none"
},
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}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHOS-4.0:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
RHSA-2014:0421
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Virtualization.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Virtualization Manager.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
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"text": "Moderate"
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"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
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"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Virtualization.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Virtualization Manager.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
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"summary": "1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0421.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
"current_release_date": "2024-11-22T07:49:07+00:00",
"generator": {
"date": "2024-11-22T07:49:07+00:00",
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"version": "4.2.1"
}
},
"id": "RHSA-2014:0421",
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"revision_history": [
{
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"number": "1",
"summary": "Initial version"
},
{
"date": "2014-04-22T17:39:32+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-22T07:49:07+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
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"acknowledgments": [
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],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0142",
"cwe": {
"id": "CWE-369",
"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
}
],
"notes": [
{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "qemu: crash by possible division by zero"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
]
},
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0143",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079140"
}
],
"notes": [
{
"category": "description",
"text": "Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014:0674
Vulnerability from csaf_redhat
Published
2014-06-09 14:35
Modified
2024-11-22 08:09
Summary
Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update
Notes
Topic
Updated rhev-hypervisor6 packages that fix multiple security issues,
several bugs, and add various enhancements are now available.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor
is a dedicated Kernel-based Virtual Machine (KVM) hypervisor.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way the virtio, virtio-net, virtio-scsi, and usb drivers
of QEMU handled state loading after migration. A user able to alter the
savevm data (either on the disk or over the wire during migration) could
use either of these flaws to corrupt QEMU process memory on the
(destination) host, which could potentially result in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,
CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)
An out-of-bounds memory access flaw was found in the way QEMU's IDE device
driver handled the execution of SMART EXECUTE OFFLINE commands.
A privileged guest user could use this flaw to corrupt QEMU process memory
on the host, which could potentially result in arbitrary code execution on
the host with the privileges of the QEMU process. (CVE-2014-2894)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,
and the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,
CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and
CVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,
Anthony Liguori, and Michael Roth.
Other changes to the rhev-hypervisor6 component:
* The most recent builds of rhn-virtualization-common and
rhn-virtualization-host are included in version 3.4.0. (BZ#1095812)
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues and add
these enhancements. After installing this update, shut down all running
virtual machines. Once all virtual machines have shut down, start them
again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"notes": [
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"category": "summary",
"text": "Updated rhev-hypervisor6 packages that fix multiple security issues,\nseveral bugs, and add various enhancements are now available.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization\nHypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor\nis a dedicated Kernel-based Virtual Machine (KVM) hypervisor.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nMultiple buffer overflow, input validation, and out-of-bounds write flaws\nwere found in the way the virtio, virtio-net, virtio-scsi, and usb drivers\nof QEMU handled state loading after migration. A user able to alter the\nsavevm data (either on the disk or over the wire during migration) could\nuse either of these flaws to corrupt QEMU process memory on the\n(destination) host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,\nCVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s IDE device\ndriver handled the execution of SMART EXECUTE OFFLINE commands.\nA privileged guest user could use this flaw to corrupt QEMU process memory\non the host, which could potentially result in arbitrary code execution on\nthe host with the privileges of the QEMU process. (CVE-2014-2894)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,\nand the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,\nCVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and\nCVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,\nAnthony Liguori, and Michael Roth.\n\nOther changes to the rhev-hypervisor6 component:\n\n* The most recent builds of rhn-virtualization-common and\nrhn-virtualization-host are included in version 3.4.0. (BZ#1095812)\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues and add\nthese enhancements. After installing this update, shut down all running\nvirtual machines. Once all virtual machines have shut down, start them\nagain for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
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"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1095812"
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1096821"
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"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0674.json"
}
],
"title": "Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update",
"tracking": {
"current_release_date": "2024-11-22T08:09:27+00:00",
"generator": {
"date": "2024-11-22T08:09:27+00:00",
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"date": "2014-06-09T14:35:12+00:00",
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{
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"summary": "Last updated version"
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{
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"acknowledgments": [
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"Michael Roth"
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"system_name": "Red Hat Bugzilla ID",
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{
"category": "description",
"text": "Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.",
"title": "Vulnerability description"
},
{
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"title": "Vulnerability summary"
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{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066334"
},
{
"category": "external",
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4148"
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"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
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"title": "qemu: virtio-net: buffer overflow on invalid state load"
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{
"acknowledgments": [
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"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
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{
"names": [
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"Michael Roth"
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"name": "Out-of-bounds Write"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066342"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_load function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066342"
},
{
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},
{
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4151"
}
],
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},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
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"products": [
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]
}
],
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{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on invalid state load"
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{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
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{
"names": [
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"Michael Roth"
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}
],
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"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"category": "self",
"summary": "Canonical URL",
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},
{
"category": "external",
"summary": "RHBZ#1066401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4535",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4535"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535"
}
],
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{
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"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
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"details": "Moderate"
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"title": "qemu: virtio: insufficient validation of num_sg when mapping"
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},
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"summary": "Canonical URL",
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},
{
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},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2013-4536"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536"
}
],
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"date": "2014-06-09T14:35:12+00:00",
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"product_ids": [
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{
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"accessVector": "LOCAL",
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"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
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"title": "qemu: virtio: insufficient validation of num_sg when mapping"
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{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
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"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
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{
"names": [
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"Michael Roth"
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066384"
}
],
"notes": [
{
"category": "description",
"text": "The usb_device_post_load function in hw/usb/bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, related to a negative setup_len or setup_index value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"summary": "Canonical URL",
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},
{
"category": "external",
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066384"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4541",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4541"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
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{
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"date": "2014-06-09T14:35:12+00:00",
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"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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"scores": [
{
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
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"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
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{
"names": [
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"Michael Roth"
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}
],
"cve": "CVE-2013-4542",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066382"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_scsi_load_request function in hw/scsi/scsi-bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds array access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-scsi: buffer overrun on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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},
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"summary": "Canonical URL",
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},
{
"category": "external",
"summary": "RHBZ#1066382",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066382"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4542",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4542"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-scsi: buffer overrun on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-6399",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066361"
}
],
"notes": [
{
"category": "description",
"text": "Array index error in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: buffer overrun on incoming migration",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-6399"
},
{
"category": "external",
"summary": "RHBZ#1066361",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066361"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-6399",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-6399"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: buffer overrun on incoming migration"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0142",
"cwe": {
"id": "CWE-369",
"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
}
],
"notes": [
{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0142"
},
{
"category": "external",
"summary": "RHBZ#1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0142",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0142"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "qemu: crash by possible division by zero"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
]
},
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0143",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079140"
}
],
"notes": [
{
"category": "description",
"text": "Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0143"
},
{
"category": "external",
"summary": "RHBZ#1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0143",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0143"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: multiple integer overflow flaws"
},
{
"acknowledgments": [
{
"names": [
"Fam Zheng",
"Jeff Cody",
"Kevin Wolf",
"Stefan Hajnoczi"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0144",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079240"
}
],
"notes": [
{
"category": "description",
"text": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: missing input validation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0144"
},
{
"category": "external",
"summary": "RHBZ#1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0144",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0144"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: missing input validation"
},
{
"acknowledgments": [
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0145",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-11-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078885"
}
],
"notes": [
{
"category": "description",
"text": "Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service (crash) or possibly execute arbitrary code via a large (1) L1 table in the qcow2_snapshot_load_tmp in the QCOW 2 block driver (block/qcow2-snapshot.c) or (2) uncompressed chunk, (3) chunk length, or (4) number of sectors in the DMG block driver (block/dmg.c).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: prevent possible buffer overflows",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0145"
},
{
"category": "external",
"summary": "RHBZ#1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0145",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0145"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: prevent possible buffer overflows"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0146",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
}
],
"notes": [
{
"category": "description",
"text": "The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0146"
},
{
"category": "external",
"summary": "RHBZ#1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0146",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0147",
"discovery_date": "2013-08-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0147"
},
{
"category": "external",
"summary": "RHBZ#1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-0182",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2014-04-17T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1088986"
}
],
"notes": [
{
"category": "description",
"text": "Heap-based buffer overflow in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0182"
},
{
"category": "external",
"summary": "RHBZ#1088986",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1088986"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0182",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0182"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182"
}
],
"release_date": "2014-04-17T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len"
},
{
"cve": "CVE-2014-2894",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2014-04-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1087971"
}
],
"notes": [
{
"category": "description",
"text": "Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-2894"
},
{
"category": "external",
"summary": "RHBZ#1087971",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1087971"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-2894",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-2894"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894"
}
],
"release_date": "2014-04-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-3461",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"discovery_date": "2014-05-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1096821"
}
],
"notes": [
{
"category": "description",
"text": "hw/usb/bus.c in QEMU 1.6.2 allows remote attackers to execute arbitrary code via crafted savevm data, which triggers a heap-based buffer overflow, related to \"USB post load checks.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: usb: fix up post load checks",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-3461"
},
{
"category": "external",
"summary": "RHBZ#1096821",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1096821"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-3461",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-3461"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461"
}
],
"release_date": "2014-05-12T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: usb: fix up post load checks"
}
]
}
rhsa-2014_0674
Vulnerability from csaf_redhat
Published
2014-06-09 14:35
Modified
2024-11-22 08:09
Summary
Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update
Notes
Topic
Updated rhev-hypervisor6 packages that fix multiple security issues,
several bugs, and add various enhancements are now available.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor
is a dedicated Kernel-based Virtual Machine (KVM) hypervisor.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way the virtio, virtio-net, virtio-scsi, and usb drivers
of QEMU handled state loading after migration. A user able to alter the
savevm data (either on the disk or over the wire during migration) could
use either of these flaws to corrupt QEMU process memory on the
(destination) host, which could potentially result in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,
CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)
An out-of-bounds memory access flaw was found in the way QEMU's IDE device
driver handled the execution of SMART EXECUTE OFFLINE commands.
A privileged guest user could use this flaw to corrupt QEMU process memory
on the host, which could potentially result in arbitrary code execution on
the host with the privileges of the QEMU process. (CVE-2014-2894)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,
and the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,
CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and
CVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,
Anthony Liguori, and Michael Roth.
Other changes to the rhev-hypervisor6 component:
* The most recent builds of rhn-virtualization-common and
rhn-virtualization-host are included in version 3.4.0. (BZ#1095812)
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues and add
these enhancements. After installing this update, shut down all running
virtual machines. Once all virtual machines have shut down, start them
again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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{
"category": "summary",
"text": "Updated rhev-hypervisor6 packages that fix multiple security issues,\nseveral bugs, and add various enhancements are now available.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
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{
"category": "general",
"text": "The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization\nHypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor\nis a dedicated Kernel-based Virtual Machine (KVM) hypervisor.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nMultiple buffer overflow, input validation, and out-of-bounds write flaws\nwere found in the way the virtio, virtio-net, virtio-scsi, and usb drivers\nof QEMU handled state loading after migration. A user able to alter the\nsavevm data (either on the disk or over the wire during migration) could\nuse either of these flaws to corrupt QEMU process memory on the\n(destination) host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,\nCVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s IDE device\ndriver handled the execution of SMART EXECUTE OFFLINE commands.\nA privileged guest user could use this flaw to corrupt QEMU process memory\non the host, which could potentially result in arbitrary code execution on\nthe host with the privileges of the QEMU process. (CVE-2014-2894)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,\nand the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,\nCVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and\nCVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,\nAnthony Liguori, and Michael Roth.\n\nOther changes to the rhev-hypervisor6 component:\n\n* The most recent builds of rhn-virtualization-common and\nrhn-virtualization-host are included in version 3.4.0. (BZ#1095812)\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues and add\nthese enhancements. After installing this update, shut down all running\nvirtual machines. Once all virtual machines have shut down, start them\nagain for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0674.json"
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],
"title": "Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update",
"tracking": {
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"ids": [
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"notes": [
{
"category": "description",
"text": "Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.",
"title": "Vulnerability description"
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{
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"text": "qemu: virtio-net: buffer overflow on invalid state load",
"title": "Vulnerability summary"
},
{
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"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
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},
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066334"
},
{
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}
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"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
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},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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"baseScore": 3.7,
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},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
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"Michael Roth"
]
}
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"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066342"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_load function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066342"
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{
"category": "external",
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},
{
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}
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{
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],
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"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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],
"scores": [
{
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"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
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"Michael Roth"
]
}
],
"cve": "CVE-2013-4535",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
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"summary": "Canonical URL",
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"summary": "RHBZ#1066401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4535",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4535"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535"
}
],
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"remediations": [
{
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"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: insufficient validation of num_sg when mapping"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4536",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4536"
},
{
"category": "external",
"summary": "RHBZ#1066401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4536",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4536"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: insufficient validation of num_sg when mapping"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4541",
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066384"
}
],
"notes": [
{
"category": "description",
"text": "The usb_device_post_load function in hw/usb/bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, related to a negative setup_len or setup_index value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4541"
},
{
"category": "external",
"summary": "RHBZ#1066384",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066384"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4541",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4541"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4542",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066382"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_scsi_load_request function in hw/scsi/scsi-bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds array access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-scsi: buffer overrun on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4542"
},
{
"category": "external",
"summary": "RHBZ#1066382",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066382"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4542",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4542"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-scsi: buffer overrun on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-6399",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066361"
}
],
"notes": [
{
"category": "description",
"text": "Array index error in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: buffer overrun on incoming migration",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-6399"
},
{
"category": "external",
"summary": "RHBZ#1066361",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066361"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-6399",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-6399"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: buffer overrun on incoming migration"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0142",
"cwe": {
"id": "CWE-369",
"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
}
],
"notes": [
{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0142"
},
{
"category": "external",
"summary": "RHBZ#1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0142",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0142"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "qemu: crash by possible division by zero"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
]
},
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0143",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079140"
}
],
"notes": [
{
"category": "description",
"text": "Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0143"
},
{
"category": "external",
"summary": "RHBZ#1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0143",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0143"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: multiple integer overflow flaws"
},
{
"acknowledgments": [
{
"names": [
"Fam Zheng",
"Jeff Cody",
"Kevin Wolf",
"Stefan Hajnoczi"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0144",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079240"
}
],
"notes": [
{
"category": "description",
"text": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: missing input validation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0144"
},
{
"category": "external",
"summary": "RHBZ#1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0144",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0144"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: missing input validation"
},
{
"acknowledgments": [
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0145",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-11-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078885"
}
],
"notes": [
{
"category": "description",
"text": "Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service (crash) or possibly execute arbitrary code via a large (1) L1 table in the qcow2_snapshot_load_tmp in the QCOW 2 block driver (block/qcow2-snapshot.c) or (2) uncompressed chunk, (3) chunk length, or (4) number of sectors in the DMG block driver (block/dmg.c).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: prevent possible buffer overflows",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0145"
},
{
"category": "external",
"summary": "RHBZ#1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0145",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0145"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: prevent possible buffer overflows"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0146",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
}
],
"notes": [
{
"category": "description",
"text": "The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0146"
},
{
"category": "external",
"summary": "RHBZ#1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0146",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0147",
"discovery_date": "2013-08-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0147"
},
{
"category": "external",
"summary": "RHBZ#1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-0182",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2014-04-17T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1088986"
}
],
"notes": [
{
"category": "description",
"text": "Heap-based buffer overflow in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0182"
},
{
"category": "external",
"summary": "RHBZ#1088986",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1088986"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0182",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0182"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182"
}
],
"release_date": "2014-04-17T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
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"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len"
},
{
"cve": "CVE-2014-2894",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2014-04-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1087971"
}
],
"notes": [
{
"category": "description",
"text": "Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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]
},
"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-2894"
},
{
"category": "external",
"summary": "RHBZ#1087971",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1087971"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-2894",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-2894"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894"
}
],
"release_date": "2014-04-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
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"category": "none"
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"url": "https://access.redhat.com/errata/RHSA-2014:0674"
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"scores": [
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"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
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"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
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"details": "Moderate"
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"title": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART"
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"name": "Heap-based Buffer Overflow"
},
"discovery_date": "2014-05-12T00:00:00+00:00",
"ids": [
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"text": "1096821"
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"text": "hw/usb/bus.c in QEMU 1.6.2 allows remote attackers to execute arbitrary code via crafted savevm data, which triggers a heap-based buffer overflow, related to \"USB post load checks.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: usb: fix up post load checks",
"title": "Vulnerability summary"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
"category": "impact",
"details": "Moderate"
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],
"title": "Qemu: usb: fix up post load checks"
}
]
}
RHSA-2014:0674
Vulnerability from csaf_redhat
Published
2014-06-09 14:35
Modified
2024-11-22 08:09
Summary
Red Hat Security Advisory: rhev-hypervisor6 3.4.0 security, bug fix, and enhancement update
Notes
Topic
Updated rhev-hypervisor6 packages that fix multiple security issues,
several bugs, and add various enhancements are now available.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor
is a dedicated Kernel-based Virtual Machine (KVM) hypervisor.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
Multiple buffer overflow, input validation, and out-of-bounds write flaws
were found in the way the virtio, virtio-net, virtio-scsi, and usb drivers
of QEMU handled state loading after migration. A user able to alter the
savevm data (either on the disk or over the wire during migration) could
use either of these flaws to corrupt QEMU process memory on the
(destination) host, which could potentially result in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,
CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)
An out-of-bounds memory access flaw was found in the way QEMU's IDE device
driver handled the execution of SMART EXECUTE OFFLINE commands.
A privileged guest user could use this flaw to corrupt QEMU process memory
on the host, which could potentially result in arbitrary code execution on
the host with the privileges of the QEMU process. (CVE-2014-2894)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,
and the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,
CVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and
CVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,
Anthony Liguori, and Michael Roth.
Other changes to the rhev-hypervisor6 component:
* The most recent builds of rhn-virtualization-common and
rhn-virtualization-host are included in version 3.4.0. (BZ#1095812)
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues and add
these enhancements. After installing this update, shut down all running
virtual machines. Once all virtual machines have shut down, start them
again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization\nHypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor\nis a dedicated Kernel-based Virtual Machine (KVM) hypervisor.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nMultiple buffer overflow, input validation, and out-of-bounds write flaws\nwere found in the way the virtio, virtio-net, virtio-scsi, and usb drivers\nof QEMU handled state loading after migration. A user able to alter the\nsavevm data (either on the disk or over the wire during migration) could\nuse either of these flaws to corrupt QEMU process memory on the\n(destination) host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536, CVE-2013-4541,\nCVE-2013-4542, CVE-2013-6399, CVE-2014-0182, CVE-2014-3461)\n\nAn out-of-bounds memory access flaw was found in the way QEMU\u0027s IDE device\ndriver handled the execution of SMART EXECUTE OFFLINE commands.\nA privileged guest user could use this flaw to corrupt QEMU process memory\non the host, which could potentially result in arbitrary code execution on\nthe host with the privileges of the QEMU process. (CVE-2014-2894)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, the CVE-2014-0148 issue was discovered by Jeff Cody of Red Hat,\nand the CVE-2013-4148, CVE-2013-4151, CVE-2013-4535, CVE-2013-4536,\nCVE-2013-4541, CVE-2013-4542, CVE-2013-6399, CVE-2014-0182, and\nCVE-2014-3461 issues were discovered by Michael S. Tsirkin of Red Hat,\nAnthony Liguori, and Michael Roth.\n\nOther changes to the rhev-hypervisor6 component:\n\n* The most recent builds of rhn-virtualization-common and\nrhn-virtualization-host are included in version 3.4.0. (BZ#1095812)\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues and add\nthese enhancements. After installing this update, shut down all running\nvirtual machines. Once all virtual machines have shut down, start them\nagain for this update to take effect.",
"title": "Details"
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"text": "1066334"
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],
"notes": [
{
"category": "description",
"text": "Integer signedness error in the virtio_net_load function in hw/net/virtio-net.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers a buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4148"
},
{
"category": "external",
"summary": "RHBZ#1066334",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066334"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4148",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4148"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4151",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066342"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_load function in virtio/virtio.c in QEMU 1.x before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds write.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4151"
},
{
"category": "external",
"summary": "RHBZ#1066342",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066342"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4151",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4151"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4151",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4151"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4535",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "The virtqueue_map_sg function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary files via a crafted savevm image, related to virtio-block or virtio-serial read.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4535"
},
{
"category": "external",
"summary": "RHBZ#1066401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4535",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4535"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4535"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: insufficient validation of num_sg when mapping"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4536",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066401"
}
],
"notes": [
{
"category": "description",
"text": "An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: insufficient validation of num_sg when mapping",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4536"
},
{
"category": "external",
"summary": "RHBZ#1066401",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066401"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4536",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4536"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4536"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: insufficient validation of num_sg when mapping"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4541",
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066384"
}
],
"notes": [
{
"category": "description",
"text": "The usb_device_post_load function in hw/usb/bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, related to a negative setup_len or setup_index value.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4541"
},
{
"category": "external",
"summary": "RHBZ#1066384",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066384"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4541",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4541"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4541"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: usb: insufficient sanity checking of setup_index+setup_len in post_load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-4542",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066382"
}
],
"notes": [
{
"category": "description",
"text": "The virtio_scsi_load_request function in hw/scsi/scsi-bus.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted savevm image, which triggers an out-of-bounds array access.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-scsi: buffer overrun on invalid state load",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue does affect the versions of qemu-kvm package as shipped with\nRed Hat Enterprise Linux 7.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-4542"
},
{
"category": "external",
"summary": "RHBZ#1066382",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066382"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-4542",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-4542"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4542"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-scsi: buffer overrun on invalid state load"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2013-6399",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-07-01T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1066361"
}
],
"notes": [
{
"category": "description",
"text": "Array index error in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 allows remote attackers to execute arbitrary code via a crafted savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: buffer overrun on incoming migration",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does affect the versions of kvm package as shipped with\nRed Hat Enterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2013-6399"
},
{
"category": "external",
"summary": "RHBZ#1066361",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1066361"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2013-6399",
"url": "https://www.cve.org/CVERecord?id=CVE-2013-6399"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-6399"
}
],
"release_date": "2013-12-03T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: buffer overrun on incoming migration"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0142",
"cwe": {
"id": "CWE-369",
"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
}
],
"notes": [
{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0142"
},
{
"category": "external",
"summary": "RHBZ#1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0142",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0142"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "qemu: crash by possible division by zero"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
]
},
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0143",
"cwe": {
"id": "CWE-190",
"name": "Integer Overflow or Wraparound"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079140"
}
],
"notes": [
{
"category": "description",
"text": "Multiple integer overflows in the block drivers in QEMU, possibly before 2.0.0, allow local users to cause a denial of service (crash) via a crafted catalog size in (1) the parallels_open function in block/parallels.c or (2) bochs_open function in bochs.c, a large L1 table in the (3) qcow2_snapshot_load_tmp in qcow2-snapshot.c or (4) qcow2_grow_l1_table function in qcow2-cluster.c, (5) a large request in the bdrv_check_byte_request function in block.c and other block drivers, (6) crafted cluster indexes in the get_refcount function in qcow2-refcount.c, or (7) a large number of blocks in the cloop_open function in cloop.c, which trigger buffer overflows, memory corruption, large memory allocations and out-of-bounds read and writes.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0143"
},
{
"category": "external",
"summary": "RHBZ#1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0143",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0143"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0143"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: multiple integer overflow flaws"
},
{
"acknowledgments": [
{
"names": [
"Fam Zheng",
"Jeff Cody",
"Kevin Wolf",
"Stefan Hajnoczi"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0144",
"cwe": {
"id": "CWE-20",
"name": "Improper Input Validation"
},
"discovery_date": "2013-08-20T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1079240"
}
],
"notes": [
{
"category": "description",
"text": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: missing input validation",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0144"
},
{
"category": "external",
"summary": "RHBZ#1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0144",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0144"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: missing input validation"
},
{
"acknowledgments": [
{
"names": [
"Stefan Hajnoczi"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0145",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2013-11-18T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078885"
}
],
"notes": [
{
"category": "description",
"text": "Multiple buffer overflows in QEMU before 1.7.2 and 2.x before 2.0.0, allow local users to cause a denial of service (crash) or possibly execute arbitrary code via a large (1) L1 table in the qcow2_snapshot_load_tmp in the QCOW 2 block driver (block/qcow2-snapshot.c) or (2) uncompressed chunk, (3) chunk length, or (4) number of sectors in the DMG block driver (block/dmg.c).",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: prevent possible buffer overflows",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0145"
},
{
"category": "external",
"summary": "RHBZ#1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0145",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0145"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0145"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: prevent possible buffer overflows"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0146",
"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
}
],
"notes": [
{
"category": "description",
"text": "The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0146"
},
{
"category": "external",
"summary": "RHBZ#1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0146",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0147",
"discovery_date": "2013-08-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0147"
},
{
"category": "external",
"summary": "RHBZ#1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-0182",
"cwe": {
"id": "CWE-787",
"name": "Out-of-bounds Write"
},
"discovery_date": "2014-04-17T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1088986"
}
],
"notes": [
{
"category": "description",
"text": "Heap-based buffer overflow in the virtio_load function in hw/virtio/virtio.c in QEMU before 1.7.2 might allow remote attackers to execute arbitrary code via a crafted config length in a savevm image.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0182"
},
{
"category": "external",
"summary": "RHBZ#1088986",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1088986"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0182",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0182"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0182"
}
],
"release_date": "2014-04-17T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio: out-of-bounds buffer write on state load with invalid config_len"
},
{
"cve": "CVE-2014-2894",
"cwe": {
"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
"discovery_date": "2014-04-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1087971"
}
],
"notes": [
{
"category": "description",
"text": "Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-2894"
},
{
"category": "external",
"summary": "RHBZ#1087971",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1087971"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-2894",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-2894"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-2894"
}
],
"release_date": "2014-04-14T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "QEMU: out of bounds buffer accesses, guest triggerable via IDE SMART"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
},
{
"names": [
"Anthony Liguori",
"Michael Roth"
]
}
],
"cve": "CVE-2014-3461",
"cwe": {
"id": "CWE-122",
"name": "Heap-based Buffer Overflow"
},
"discovery_date": "2014-05-12T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1096821"
}
],
"notes": [
{
"category": "description",
"text": "hw/usb/bus.c in QEMU 1.6.2 allows remote attackers to execute arbitrary code via crafted savevm data, which triggers a heap-based buffer overflow, related to \"USB post load checks.\"",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: usb: fix up post load checks",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-3461"
},
{
"category": "external",
"summary": "RHBZ#1096821",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1096821"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-3461",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-3461"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-3461"
}
],
"release_date": "2014-05-12T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-06-09T14:35:12+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to use the\nRed Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 3.7,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.5-20140603.2.el6ev.noarch"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: usb: fix up post load checks"
}
]
}
rhsa-2014_0435
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 3.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 3.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
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"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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"title": "Vulnerability description"
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{
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},
{
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"title": "CVSS score applicability"
}
],
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"title": "qemu: crash by possible division by zero"
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"title": "Vulnerability description"
},
{
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"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
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{
"system_name": "Red Hat Bugzilla ID",
"text": "1079240"
}
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: missing input validation",
"title": "Vulnerability summary"
},
{
"category": "general",
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"title": "CVSS score applicability"
}
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{
"category": "summary",
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},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"system_name": "Red Hat Bugzilla ID",
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{
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{
"category": "general",
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{
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{
"category": "general",
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{
"category": "description",
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"title": "Vulnerability description"
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{
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"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
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"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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"6Server-Grizzly:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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]
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"references": [
{
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
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"category": "none"
},
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}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014_0421
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Virtualization.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Virtualization Manager.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Virtualization.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Virtualization Manager.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2014:0421",
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#moderate",
"url": "https://access.redhat.com/security/updates/classification/#moderate"
},
{
"category": "external",
"summary": "1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0421.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
"current_release_date": "2024-11-22T07:49:07+00:00",
"generator": {
"date": "2024-11-22T07:49:07+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
}
},
"id": "RHSA-2014:0421",
"initial_release_date": "2014-04-22T17:39:32+00:00",
"revision_history": [
{
"date": "2014-04-22T17:39:32+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2014-04-22T17:39:32+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-22T07:49:07+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
"product_tree": {
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{
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{
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},
{
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"title": "Vulnerability summary"
},
{
"category": "general",
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{
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{
"category": "general",
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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
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"product_ids": [
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"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
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"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Red Hat Inc",
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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}
],
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{
"cvss_v2": {
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"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
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}
],
"threats": [
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"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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{
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"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
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"date": "2014-04-22T17:39:32+00:00",
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"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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}
],
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"availabilityImpact": "COMPLETE",
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"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
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"threats": [
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"details": "Low"
}
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"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Red Hat",
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],
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
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"url": "https://access.redhat.com/errata/RHSA-2014:0421"
}
],
"scores": [
{
"cvss_v2": {
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"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
RHSA-2014:0434
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
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"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 4.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
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"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
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"title": "Vulnerability description"
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{
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"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
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"title": "CVSS score applicability"
}
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"confidentialityImpact": "NONE",
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"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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"title": "qemu: crash by possible division by zero"
},
{
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},
{
"names": [
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},
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"ids": [
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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{
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},
{
"category": "summary",
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{
"category": "general",
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},
{
"category": "summary",
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"title": "Vulnerability summary"
},
{
"category": "general",
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"title": "CVSS score applicability"
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},
{
"category": "general",
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"title": "Vulnerability description"
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},
{
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"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0434"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
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]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
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"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
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}
],
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"cvss_v2": {
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"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHOS-4.0:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014:0435
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 3.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
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"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 3.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
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"namespace": "https://www.redhat.com"
},
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"summary": "https://access.redhat.com/errata/RHSA-2014:0435",
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
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{
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"url": "https://access.redhat.com/security/updates/classification/#moderate"
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{
"category": "external",
"summary": "1078212",
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},
{
"category": "external",
"summary": "1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0435.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
"current_release_date": "2024-11-22T07:49:16+00:00",
"generator": {
"date": "2024-11-22T07:49:16+00:00",
"engine": {
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},
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"initial_release_date": "2014-04-24T17:35:47+00:00",
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"number": "1",
"summary": "Initial version"
},
{
"date": "2014-04-24T17:35:47+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-22T07:49:16+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
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],
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"cwe": {
"id": "CWE-476",
"name": "NULL Pointer Dereference"
},
"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
}
],
"notes": [
{
"category": "description",
"text": "The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0146"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0146"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
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],
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"cvss_v2": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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"threats": [
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"details": "Low"
}
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"title": "Qemu: qcow2: NULL dereference in qcow2_open() error path"
},
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
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}
],
"cve": "CVE-2014-0147",
"discovery_date": "2013-08-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078848"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 1.6.2 block diver for the various disk image formats used by Bochs and for the QCOW version 2 format, are vulnerable to a possible crash caused by signed data types or a logic error while creating QCOW2 snapshots, which leads to incorrectly calling update_refcount() routine.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: possible crash due signed types or logic error",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
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"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
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"details": "Moderate"
}
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"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
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"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
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"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
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"accessVector": "LOCAL",
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"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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"details": "Low"
}
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"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Red Hat",
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"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
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"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
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}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
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]
}
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"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014_0420
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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"text": "Moderate"
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"text": "Updated qemu-kvm packages that fix multiple security issues are now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.",
"title": "Details"
},
{
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
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"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0420.json"
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"title": "Red Hat Security Advisory: qemu-kvm security update",
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"title": "Qemu: block: missing input validation"
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"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
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"ids": [
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: prevent possible buffer overflows",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Vulnerability description"
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"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
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"threats": [
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"category": "impact",
"details": "Low"
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],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
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],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
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],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
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],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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{
"category": "external",
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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
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"date": "2014-04-22T17:39:52+00:00",
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"threats": [
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"details": "Moderate"
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],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014_0434
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
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"notes": [
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
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"title": "Vulnerability description"
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{
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"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
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"title": "CVSS score applicability"
}
],
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"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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"title": "qemu: crash by possible division by zero"
},
{
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{
"names": [
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},
{
"names": [
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},
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"ids": [
{
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"text": "1079140"
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{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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}
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
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},
{
"category": "general",
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"title": "CVSS score applicability"
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},
{
"category": "summary",
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"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
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{
"category": "general",
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{
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},
{
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"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
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"title": "CVSS score applicability"
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{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-RHOS-4.0:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0434"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-RHOS-4.0:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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"6Server-RHOS-4.0:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
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"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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]
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"references": [
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"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:56+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0434"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHOS-4.0:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHOS-4.0:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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"6Server-RHOS-4.0:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014:0420
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm packages that fix multiple security issues are now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
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"summary": "https://access.redhat.com/errata/RHSA-2014:0420",
"url": "https://access.redhat.com/errata/RHSA-2014:0420"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#moderate",
"url": "https://access.redhat.com/security/updates/classification/#moderate"
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{
"category": "external",
"summary": "1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0420.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm security update",
"tracking": {
"current_release_date": "2024-11-22T07:49:02+00:00",
"generator": {
"date": "2024-11-22T07:49:02+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
}
},
"id": "RHSA-2014:0420",
"initial_release_date": "2014-04-22T17:39:52+00:00",
"revision_history": [
{
"date": "2014-04-22T17:39:52+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2014-04-22T17:39:52+00:00",
"number": "2",
"summary": "Last updated version"
},
{
"date": "2024-11-22T07:49:02+00:00",
"number": "3",
"summary": "Last generated version"
}
],
"status": "final",
"version": "3"
}
},
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},
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"acknowledgments": [
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"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
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"cve": "CVE-2014-0142",
"cwe": {
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"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
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"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
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],
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{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
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}
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"scores": [
{
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"accessVector": "ADJACENT_NETWORK",
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"baseScore": 4.0,
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"integrityImpact": "PARTIAL",
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"version": "2.0"
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
RHSA-2014:0420
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm security update
Notes
Topic
Updated qemu-kvm packages that fix multiple security issues are now
available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm package provides the
user-space component for running virtual machines using KVM.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All qemu-kvm users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. After installing this
update, shut down all running virtual machines. Once all virtual machines
have shut down, start them again for this update to take effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Updated qemu-kvm packages that fix multiple security issues are now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm package provides the\nuser-space component for running virtual machines using KVM.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues. After installing this\nupdate, shut down all running virtual machines. Once all virtual machines\nhave shut down, start them again for this update to take effect.",
"title": "Details"
},
{
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"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"title": "Red Hat Security Advisory: qemu-kvm security update",
"tracking": {
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"title": "Vulnerability description"
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"title": "Vulnerability summary"
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{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"title": "qemu: crash by possible division by zero"
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{
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{
"names": [
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]
},
{
"names": [
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"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
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"cwe": {
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"ids": [
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"text": "1079140"
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"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: block: multiple integer overflow flaws",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Vulnerability description"
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"title": "Vulnerability description"
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
RHSA-2014:0435
Vulnerability from csaf_redhat
Published
2014-04-24 17:35
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Linux OpenStack Platform 3.0.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Linux OpenStack Platform.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
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"text": "Moderate"
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"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Linux OpenStack Platform 3.0.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
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"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Linux OpenStack Platform.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
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"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
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{
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"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
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{
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"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0435.json"
}
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"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
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{
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]
},
"vulnerabilities": [
{
"acknowledgments": [
{
"names": [
"Kevin Wolf"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0142",
"cwe": {
"id": "CWE-369",
"name": "Divide By Zero"
},
"discovery_date": "2013-11-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078201"
}
],
"notes": [
{
"category": "description",
"text": "QEMU, possibly before 2.0.0, allows local users to cause a denial of service (divide-by-zero error and crash) via a zero value in the (1) tracks field to the seek_to_sector function in block/parallels.c or (2) extent_size field in the bochs function in block/bochs.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: crash by possible division by zero",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
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"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0142"
},
{
"category": "external",
"summary": "RHBZ#1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0142",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0142"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0142"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:H/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0147"
},
{
"category": "external",
"summary": "RHBZ#1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0147",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0147"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0147"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.3,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
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]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Qemu: block: possible crash due signed types or logic error"
},
{
"acknowledgments": [
{
"names": [
"Jeff Cody"
],
"organization": "Red Hat Inc",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0148",
"discovery_date": "2013-08-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078212"
}
],
"notes": [
{
"category": "description",
"text": "Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like \u0027sectors_per_block\u0027 etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: vhdx: bounds checking for block_size and logical_sector_size",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the versions of kvm package as shipped with Red Hat\nEnterprise Linux 5.\n\nThis issue affects the versions of qemu-kvm package as shipped with Red Hat\nEnterprise Linux 6.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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]
},
"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0148"
},
{
"category": "external",
"summary": "RHBZ#1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0148",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0148"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0148"
}
],
"release_date": "2014-03-26T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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"6Server-Grizzly:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "COMPLETE",
"baseScore": 4.7,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:N/I:N/A:C",
"version": "2.0"
},
"products": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "Qemu: vhdx: bounds checking for block_size and logical_sector_size"
},
{
"acknowledgments": [
{
"names": [
"Michael S. Tsirkin"
],
"organization": "Red Hat",
"summary": "This issue was discovered by Red Hat."
}
],
"cve": "CVE-2014-0150",
"discovery_date": "2014-03-19T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078846"
}
],
"notes": [
{
"category": "description",
"text": "Integer overflow in the virtio_net_handle_mac function in hw/net/virtio-net.c in QEMU 2.0 and earlier allows local guest users to execute arbitrary code via a MAC addresses table update request, which triggers a heap-based buffer overflow.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the kvm and xen packages as shipped with Red Hat Enterprise Linux 5.\n\nThis issue does affect the qemu-kvm package as shipped with Red Hat Enterprise Linux 6. Future qemu-kvm updates in Red Hat Enterprise Linux 6 may address this flaw.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
"product_status": {
"fixed": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
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]
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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2014-0150"
},
{
"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-24T17:35:47+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
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],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-Grizzly:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-Grizzly:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-Grizzly:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
rhsa-2014:0421
Vulnerability from csaf_redhat
Published
2014-04-22 17:39
Modified
2024-11-22 07:49
Summary
Red Hat Security Advisory: qemu-kvm-rhev security update
Notes
Topic
Updated qemu-kvm-rhev packages that fix several security issues are now
available for Red Hat Enterprise Virtualization.
The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the
user-space component for running virtual machines using KVM in environments
managed by Red Hat Enterprise Virtualization Manager.
Multiple integer overflow, input validation, logic error, and buffer
overflow flaws were discovered in various QEMU block drivers. An attacker
able to modify a disk image file loaded by a guest could use these flaws to
crash the guest, or corrupt QEMU process memory on the host, potentially
resulting in arbitrary code execution on the host with the privileges of
the QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,
CVE-2014-0147)
A buffer overflow flaw was found in the way the virtio_net_handle_mac()
function of QEMU processed guest requests to update the table of MAC
addresses. A privileged guest user could use this flaw to corrupt QEMU
process memory on the host, potentially resulting in arbitrary code
execution on the host with the privileges of the QEMU process.
(CVE-2014-0150)
A divide-by-zero flaw was found in the seek_to_sector() function of the
parallels block driver in QEMU. An attacker able to modify a disk image
file loaded by a guest could use this flaw to crash the guest.
(CVE-2014-0142)
A NULL pointer dereference flaw was found in the QCOW2 block driver in
QEMU. An attacker able to modify a disk image file loaded by a guest could
use this flaw to crash the guest. (CVE-2014-0146)
It was found that the block driver for Hyper-V VHDX images did not
correctly calculate BAT (Block Allocation Table) entries due to a missing
bounds check. An attacker able to modify a disk image file loaded by a
guest could use this flaw to crash the guest. (CVE-2014-0148)
The CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi
of Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff
Cody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues
were discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was
discovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,
CVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of
Red Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of
Red Hat.
All users of qemu-kvm-rhev are advised to upgrade to these updated
packages, which contain backported patches to correct these issues. After
installing this update, shut down all running virtual machines. Once all
virtual machines have shut down, start them again for this update to take
effect.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{
"document": {
"aggregate_severity": {
"namespace": "https://access.redhat.com/security/updates/classification/",
"text": "Moderate"
},
"category": "csaf_security_advisory",
"csaf_version": "2.0",
"distribution": {
"text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "en",
"notes": [
{
"category": "summary",
"text": "Updated qemu-kvm-rhev packages that fix several security issues are now\navailable for Red Hat Enterprise Virtualization.\n\nThe Red Hat Security Response Team has rated this update as having Moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
"title": "Topic"
},
{
"category": "general",
"text": "KVM (Kernel-based Virtual Machine) is a full virtualization solution for\nLinux on AMD64 and Intel 64 systems. The qemu-kvm-rhev package provides the\nuser-space component for running virtual machines using KVM in environments\nmanaged by Red Hat Enterprise Virtualization Manager.\n\nMultiple integer overflow, input validation, logic error, and buffer\noverflow flaws were discovered in various QEMU block drivers. An attacker\nable to modify a disk image file loaded by a guest could use these flaws to\ncrash the guest, or corrupt QEMU process memory on the host, potentially\nresulting in arbitrary code execution on the host with the privileges of\nthe QEMU process. (CVE-2014-0143, CVE-2014-0144, CVE-2014-0145,\nCVE-2014-0147)\n\nA buffer overflow flaw was found in the way the virtio_net_handle_mac()\nfunction of QEMU processed guest requests to update the table of MAC\naddresses. A privileged guest user could use this flaw to corrupt QEMU\nprocess memory on the host, potentially resulting in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2014-0150)\n\nA divide-by-zero flaw was found in the seek_to_sector() function of the\nparallels block driver in QEMU. An attacker able to modify a disk image\nfile loaded by a guest could use this flaw to crash the guest.\n(CVE-2014-0142)\n\nA NULL pointer dereference flaw was found in the QCOW2 block driver in\nQEMU. An attacker able to modify a disk image file loaded by a guest could\nuse this flaw to crash the guest. (CVE-2014-0146)\n\nIt was found that the block driver for Hyper-V VHDX images did not\ncorrectly calculate BAT (Block Allocation Table) entries due to a missing\nbounds check. An attacker able to modify a disk image file loaded by a\nguest could use this flaw to crash the guest. (CVE-2014-0148)\n\nThe CVE-2014-0143 issues were discovered by Kevin Wolf and Stefan Hajnoczi\nof Red Hat, the CVE-2014-0144 issues were discovered by Fam Zheng, Jeff\nCody, Kevin Wolf, and Stefan Hajnoczi of Red Hat, the CVE-2014-0145 issues\nwere discovered by Stefan Hajnoczi of Red Hat, the CVE-2014-0150 issue was\ndiscovered by Michael S. Tsirkin of Red Hat, the CVE-2014-0142,\nCVE-2014-0146, and CVE-2014-0147 issues were discovered by Kevin Wolf of\nRed Hat, and the CVE-2014-0148 issue was discovered by Jeff Cody of\nRed Hat.\n\nAll users of qemu-kvm-rhev are advised to upgrade to these updated\npackages, which contain backported patches to correct these issues. After\ninstalling this update, shut down all running virtual machines. Once all\nvirtual machines have shut down, start them again for this update to take\neffect.",
"title": "Details"
},
{
"category": "legal_disclaimer",
"text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
"title": "Terms of Use"
}
],
"publisher": {
"category": "vendor",
"contact_details": "https://access.redhat.com/security/team/contact/",
"issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
"name": "Red Hat Product Security",
"namespace": "https://www.redhat.com"
},
"references": [
{
"category": "self",
"summary": "https://access.redhat.com/errata/RHSA-2014:0421",
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
},
{
"category": "external",
"summary": "https://access.redhat.com/security/updates/classification/#moderate",
"url": "https://access.redhat.com/security/updates/classification/#moderate"
},
{
"category": "external",
"summary": "1078201",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078201"
},
{
"category": "external",
"summary": "1078212",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078212"
},
{
"category": "external",
"summary": "1078232",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078232"
},
{
"category": "external",
"summary": "1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "1078848",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078848"
},
{
"category": "external",
"summary": "1078885",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078885"
},
{
"category": "external",
"summary": "1079140",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079140"
},
{
"category": "external",
"summary": "1079240",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"category": "self",
"summary": "Canonical URL",
"url": "https://security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0421.json"
}
],
"title": "Red Hat Security Advisory: qemu-kvm-rhev security update",
"tracking": {
"current_release_date": "2024-11-22T07:49:07+00:00",
"generator": {
"date": "2024-11-22T07:49:07+00:00",
"engine": {
"name": "Red Hat SDEngine",
"version": "4.2.1"
}
},
"id": "RHSA-2014:0421",
"initial_release_date": "2014-04-22T17:39:32+00:00",
"revision_history": [
{
"date": "2014-04-22T17:39:32+00:00",
"number": "1",
"summary": "Initial version"
},
{
"date": "2014-04-22T17:39:32+00:00",
"number": "2",
"summary": "Last updated version"
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"ids": [
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"system_name": "Red Hat Bugzilla ID",
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Qemu: prevent possible buffer overflows",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"discovery_date": "2013-11-08T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1078232"
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],
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{
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{
"category": "summary",
"text": "Qemu: qcow2: NULL dereference in qcow2_open() error path",
"title": "Vulnerability summary"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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{
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{
"category": "summary",
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},
{
"category": "general",
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"title": "CVSS score applicability"
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{
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{
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function",
"title": "Vulnerability summary"
},
{
"category": "other",
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"title": "Statement"
},
{
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"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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"category": "external",
"summary": "RHBZ#1078846",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1078846"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2014-0150",
"url": "https://www.cve.org/CVERecord?id=CVE-2014-0150"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0150"
}
],
"release_date": "2014-04-11T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2014-04-22T17:39:32+00:00",
"details": "Before applying this update, make sure all previously released errata\nrelevant to your system have been applied.\n\nThis update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258",
"product_ids": [
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"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
],
"restart_required": {
"category": "none"
},
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "HIGH",
"accessVector": "ADJACENT_NETWORK",
"authentication": "SINGLE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.0,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:A/AC:H/Au:S/C:P/I:P/A:P",
"version": "2.0"
},
"products": [
"6Server-RHEV-Agents:qemu-img-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.src",
"6Server-RHEV-Agents:qemu-kvm-rhev-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-debuginfo-2:0.12.1.2-2.415.el6_5.8.x86_64",
"6Server-RHEV-Agents:qemu-kvm-rhev-tools-2:0.12.1.2-2.415.el6_5.8.x86_64"
]
}
],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "qemu: virtio-net: buffer overflow in virtio_net_handle_mac() function"
}
]
}
ghsa-p3jv-vmvr-2v4v
Vulnerability from github
Published
2022-09-30 00:00
Modified
2022-10-04 00:00
Severity ?
Details
QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.
{
"affected": [],
"aliases": [
"CVE-2014-0144"
],
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-09-29T03:15:00Z",
"severity": "HIGH"
},
"details": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.",
"id": "GHSA-p3jv-vmvr-2v4v",
"modified": "2022-10-04T00:00:24Z",
"published": "2022-09-30T00:00:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-0144"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2014:0420"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2014:0421"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2014:0434"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2014:0435"
},
{
"type": "WEB",
"url": "https://access.redhat.com/errata/RHSA-2014:0674"
},
{
"type": "WEB",
"url": "https://access.redhat.com/security/cve/CVE-2014-0144"
},
{
"type": "WEB",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1079240"
},
{
"type": "WEB",
"url": "https://www.vulnerabilitycenter.com/#!vul=44767"
},
{
"type": "WEB",
"url": "https://www.vulnerabilitycenter.com/#%21vul=44767"
},
{
"type": "WEB",
"url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=24342f2cae47d03911e346fe1e520b00dc2818e0"
},
{
"type": "WEB",
"url": "http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=2d51c32c4b511db8bb9e58208f1e2c25e4c06c85"
},
{
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},
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},
{
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},
{
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},
{
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},
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},
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},
{
"type": "WEB",
"url": "http://git.qemu.org/?p=qemu.git;a=commit;h=d65f97a82c4ed48374a764c769d4ba1ea9724e97"
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"url": "http://git.qemu.org/?p=qemu.git;a=commit;h=f56b9bc3ae20fc93815b34aa022be919941406ce"
},
{
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"url": "http://rhn.redhat.com/errata/RHSA-2014-0420.html"
},
{
"type": "WEB",
"url": "http://rhn.redhat.com/errata/RHSA-2014-0421.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
gsd-2014-0144
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2014-0144",
"id": "GSD-2014-0144",
"references": [
"https://www.suse.com/security/cve/CVE-2014-0144.html",
"https://www.debian.org/security/2014/dsa-3045",
"https://www.debian.org/security/2014/dsa-3044",
"https://access.redhat.com/errata/RHSA-2014:0674",
"https://access.redhat.com/errata/RHSA-2014:0435",
"https://access.redhat.com/errata/RHSA-2014:0434",
"https://access.redhat.com/errata/RHSA-2014:0421",
"https://access.redhat.com/errata/RHSA-2014:0420",
"https://ubuntu.com/security/CVE-2014-0144",
"https://advisories.mageia.org/CVE-2014-0144.html",
"https://linux.oracle.com/cve/CVE-2014-0144.html"
]
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2014-0144"
],
"details": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.",
"id": "GSD-2014-0144",
"modified": "2023-12-13T01:22:44.458265Z",
"schema_version": "1.4.0"
}
},
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"STATE": "PUBLIC"
},
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{
"product": {
"product_data": [
{
"product_name": "n/a",
"version": {
"version_data": [
{
"version_affected": "=",
"version_value": "n/a"
}
]
}
}
]
},
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}
]
}
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}
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}
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},
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"refsource": "MISC",
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},
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"refsource": "MISC",
"url": "http://rhn.redhat.com/errata/RHSA-2014-0421.html"
},
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"cpe_name": [],
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"impact": {
"baseMetricV3": {
"cvssV3": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 8.6,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 6.0
}
},
"lastModifiedDate": "2023-02-13T00:32Z",
"publishedDate": "2022-09-29T03:15Z"
}
}
}
cve-2014-0144
Vulnerability from fkie_nvd
Published
2022-09-29 03:15
Modified
2024-11-21 02:01
Severity ?
Summary
QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| qemu | qemu | * | |
| redhat | virtualization | 3.0 | |
| redhat | enterprise_linux_desktop | 6.0 | |
| redhat | enterprise_linux_eus | 6.5 | |
| redhat | enterprise_linux_openstack_platform | 5 | |
| redhat | enterprise_linux_server | 6.0 | |
| redhat | enterprise_linux_server_aus | 6.5 | |
| redhat | enterprise_linux_server_tus | 6.5 | |
| redhat | enterprise_linux_workstation | 6.0 |
{
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"versionEndExcluding": "2.0.0",
"vulnerable": true
}
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"negate": false,
"operator": "OR"
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]
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "QEMU before 2.0.0 block drivers for CLOOP, QCOW2 version 2 and various other image formats are vulnerable to potential memory corruptions, integer/buffer overflows or crash caused by missing input validations which could allow a remote user to execute arbitrary code on the host with the privileges of the QEMU process."
},
{
"lang": "es",
"value": "Los controladores de bloque de QEMU versiones anteriores a 2.0.0 para CLOOP, QCOW2 versi\u00f3n 2 y varios otros formatos de imagen son vulnerables a posibles corrupciones de memoria, desbordamientos de enteros/buffer o bloqueos causados por falta de comprobaciones de entrada que podr\u00edan permitir a un usuario remoto ejecutar c\u00f3digo arbitrario en el host con los privilegios del proceso QEMU"
}
],
"id": "CVE-2014-0144",
"lastModified": "2024-11-21T02:01:28.347",
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"attackVector": "LOCAL",
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},
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"impactScore": 6.0,
"source": "nvd@nist.gov",
"type": "Primary"
}
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],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.