rhsa-2013_1553
Vulnerability from csaf_redhat
Published
2013-11-20 16:32
Modified
2024-11-05 18:15
Summary
Red Hat Security Advisory: qemu-kvm security, bug fix, and enhancement update
Notes
Topic
Updated qemu-kvm packages that fix one security issue, several bugs, and
add various enhancements are now available for Red Hat Enterprise Linux 6.
The Red Hat Security Response Team has rated this update as having
important security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from the
CVE link in the References section.
Details
KVM (Kernel-based Virtual Machine) is a full virtualization solution for
Linux on AMD64 and Intel 64 systems that is built into the standard Red Hat
Enterprise Linux kernel. The qemu-kvm packages form the user-space
component for running virtual machines using KVM.
A buffer overflow flaw was found in the way QEMU processed the SCSI "REPORT
LUNS" command when more than 256 LUNs were specified for a single SCSI
target. 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-2013-4344)
This issue was discovered by Asias He of Red Hat.
These updated qemu-kvm packages include numerous bug fixes and various
enhancements. Space precludes documenting all of these changes in this
advisory. Users are directed to the Red Hat Enterprise Linux 6.5 Technical
Notes, linked to in the References, for information on the most significant
of these changes.
All qemu-kvm users 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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A Common Vulnerability Scoring System (CVSS)\nbase score, which gives a detailed severity rating, is available from the\nCVE link 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 that is built into the standard Red Hat\nEnterprise Linux kernel. The qemu-kvm packages form the user-space\ncomponent for running virtual machines using KVM.\n\nA buffer overflow flaw was found in the way QEMU processed the SCSI \"REPORT\nLUNS\" command when more than 256 LUNs were specified for a single SCSI\ntarget. A privileged guest user could use this flaw to corrupt QEMU process\nmemory on the host, which could potentially result in arbitrary code\nexecution on the host with the privileges of the QEMU process.\n(CVE-2013-4344)\n\nThis issue was discovered by Asias He of Red Hat.\n\nThese updated qemu-kvm packages include numerous bug fixes and various\nenhancements. Space precludes documenting all of these changes in this\nadvisory. Users are directed to the Red Hat Enterprise Linux 6.5 Technical\nNotes, linked to in the References, for information on the most significant\nof these changes.\n\nAll qemu-kvm users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues and add these\nenhancements. After installing this update, shut down all running virtual\nmachines. Once all virtual machines have shut down, start them again for\nthis 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/). 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"6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686" }, "product_reference": "qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "relates_to_product_reference": "6Workstation" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)", "product_id": "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64" }, "product_reference": "qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "relates_to_product_reference": "6Workstation" }, { "category": "default_component_of", "full_product_name": { "name": "qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64 as a component of Red Hat Enterprise Linux Workstation (v. 6)", "product_id": "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64" }, "product_reference": "qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "relates_to_product_reference": "6Workstation" } ] }, "vulnerabilities": [ { "acknowledgments": [ { "names": [ "Asias He" ], "organization": "Red Hat", "summary": "This issue was discovered by Red Hat." } ], "cve": "CVE-2013-4344", "discovery_date": "2013-09-12T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1007330" } ], "notes": [ { "category": "description", "text": "Buffer overflow in the SCSI implementation in QEMU, as used in Xen, when a SCSI controller has more than 256 attached devices, allows local users to gain privileges via a small transfer buffer in a REPORT LUNS command.", "title": "Vulnerability description" }, { "category": "summary", "text": "qemu: buffer overflow in scsi_target_emulate_report_luns", "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": [ "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2013-4344" }, { "category": "external", "summary": "RHBZ#1007330", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1007330" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2013-4344", "url": "https://www.cve.org/CVERecord?id=CVE-2013-4344" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4344", "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4344" } ], "release_date": "2013-10-02T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2013-11-20T16:32:00+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": [ "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2013:1553" } ], "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": [ "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Client:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Client:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Client:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6ComputeNode:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6ComputeNode:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6ComputeNode:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Server:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Server:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Server:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-guest-agent-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-img-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.src", "6Workstation:qemu-kvm-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.i686", "6Workstation:qemu-kvm-debuginfo-2:0.12.1.2-2.415.el6.x86_64", "6Workstation:qemu-kvm-tools-2:0.12.1.2-2.415.el6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "qemu: buffer overflow in scsi_target_emulate_report_luns" } ] }
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Sightings
Author | Source | Type | Date |
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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.