rhsa-2011_0927
Vulnerability from csaf_redhat
Published
2011-07-15 05:14
Modified
2024-11-22 04:39
Summary
Red Hat Security Advisory: kernel security and bug fix update
Notes
Topic
Updated kernel packages that fix multiple security issues and several bugs
are now available for Red Hat Enterprise Linux 5.
The Red Hat Security Response Team has rated this update as having
important 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 kernel packages contain the Linux kernel, the core of any Linux
operating system.
This update fixes the following security issues:
* An integer overflow flaw in ib_uverbs_poll_cq() could allow a local,
unprivileged user to cause a denial of service or escalate their
privileges. (CVE-2010-4649, Important)
* A race condition in the way new InfiniBand connections were set up could
allow a remote user to cause a denial of service. (CVE-2011-0695,
Important)
* A flaw in the Stream Control Transmission Protocol (SCTP) implementation
could allow a remote attacker to cause a denial of service if the sysctl
"net.sctp.addip_enable" variable was turned on (it is off by default).
(CVE-2011-1573, Important)
* Flaws in the AGPGART driver implementation when handling certain IOCTL
commands could allow a local, unprivileged user to cause a denial of
service or escalate their privileges. (CVE-2011-1745, CVE-2011-2022,
Important)
* An integer overflow flaw in agp_allocate_memory() could allow a local,
unprivileged user to cause a denial of service or escalate their
privileges. (CVE-2011-1746, Important)
* A flaw allowed napi_reuse_skb() to be called on VLAN (virtual LAN)
packets. An attacker on the local network could trigger this flaw by
sending specially-crafted packets to a target system, possibly causing a
denial of service. (CVE-2011-1576, Moderate)
* An integer signedness error in next_pidmap() could allow a local,
unprivileged user to cause a denial of service. (CVE-2011-1593, Moderate)
* A flaw in the way the Xen hypervisor implementation handled CPUID
instruction emulation during virtual machine exits could allow an
unprivileged guest user to crash a guest. This only affects systems that
have an Intel x86 processor with the Intel VT-x extension enabled.
(CVE-2011-1936, Moderate)
* A flaw in inet_diag_bc_audit() could allow a local, unprivileged user to
cause a denial of service (infinite loop). (CVE-2011-2213, Moderate)
* A missing initialization flaw in the XFS file system implementation
could lead to an information leak. (CVE-2011-0711, Low)
* A flaw in ib_uverbs_poll_cq() could allow a local, unprivileged user to
cause an information leak. (CVE-2011-1044, Low)
* A missing validation check was found in the signals implementation. A
local, unprivileged user could use this flaw to send signals via the
sigqueueinfo system call, with the si_code set to SI_TKILL and with spoofed
process and user IDs, to other processes. Note: This flaw does not allow
existing permission checks to be bypassed; signals can only be sent if your
privileges allow you to already do so. (CVE-2011-1182, Low)
* A heap overflow flaw in the EFI GUID Partition Table (GPT) implementation
could allow a local attacker to cause a denial of service by mounting a
disk containing specially-crafted partition tables. (CVE-2011-1776, Low)
* Structure padding in two structures in the Bluetooth implementation
was not initialized properly before being copied to user-space, possibly
allowing local, unprivileged users to leak kernel stack memory to
user-space. (CVE-2011-2492, Low)
Red Hat would like to thank Jens Kuehnel for reporting CVE-2011-0695;
Vasiliy Kulikov for reporting CVE-2011-1745, CVE-2011-2022, and
CVE-2011-1746; Ryan Sweat for reporting CVE-2011-1576; Robert Swiecki for
reporting CVE-2011-1593; Dan Rosenberg for reporting CVE-2011-2213 and
CVE-2011-0711; Julien Tinnes of the Google Security Team for reporting
CVE-2011-1182; Timo Warns for reporting CVE-2011-1776; and Marek Kroemeke
and Filip Palian for reporting CVE-2011-2492.
Bug fix documentation will be available shortly from the Technical Notes
document linked to in the References.
Users should upgrade to these updated packages, which contain backported
patches to correct these issues, and fix the bugs noted in the Technical
Notes. The system must be rebooted 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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"title": "kernel: IB/uverbs: Handle large number of entries in poll CQ"
},
{
"acknowledgments": [
{
"names": [
"Jens Kuehnel"
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}
],
"cve": "CVE-2011-0695",
"discovery_date": "2011-02-09T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "653648"
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"notes": [
{
"category": "description",
"text": "Race condition in the cm_work_handler function in the InfiniBand driver (drivers/infiniband/core/cma.c) in Linux kernel 2.6.x allows remote attackers to cause a denial of service (panic) by sending an InfiniBand request while other request handlers are still running, which triggers an invalid pointer dereference.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: panic in ib_cm:cm_work_handler",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-0421.html, and https://rhn.redhat.com/errata/RHSA-2011-0500.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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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"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: panic in ib_cm:cm_work_handler"
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{
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"text": "The xfs_fs_geometry function in fs/xfs/xfs_fsops.c in the Linux kernel before 2.6.38-rc6-git3 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FSGEOMETRY_V1 ioctl call.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: xfs: prevent leaking uninitialized stack memory in FSGEOMETRY_V1",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not have support for the XFS file system. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise\nMRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-0498.html, and https://rhn.redhat.com/errata/RHSA-2011-0500.html.",
"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.",
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"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"text": "kernel: IB/uverbs: Handle large number of entries in poll CQ",
"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.",
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"title": "kernel: IB/uverbs: Handle large number of entries in poll CQ"
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{
"acknowledgments": [
{
"names": [
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"organization": "Google Security Team"
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"text": "kernel/signal.c in the Linux kernel before 2.6.39 allows local users to spoof the uid and pid of a signal sender via a sigqueueinfo system call.",
"title": "Vulnerability description"
},
{
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"text": "kernel signal spoofing issue",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates. This was addressed in Red Hat Enterprise Linux 5 and 6 via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html. A future kernel update in Red Hat Enterprise MRG 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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{
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"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel signal spoofing issue"
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{
"cve": "CVE-2011-1573",
"discovery_date": "2011-04-11T00:00:00+00:00",
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"text": "net/sctp/sm_make_chunk.c in the Linux kernel before 2.6.34, when addip_enable and auth_enable are used, does not consider the amount of zero padding during calculation of chunk lengths for (1) INIT and (2) INIT ACK chunks, which allows remote attackers to cause a denial of service (OOPS) via crafted packet data.",
"title": "Vulnerability description"
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{
"category": "summary",
"text": "kernel: sctp: fix to calc the INIT/INIT-ACK chunk length correctly to set",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as it did not support SCTP authentication and extended parameters. It did not affect the version of Linux kernel as shipped with Red Hat Enterprise MRG as it has backported the upstream commit a8170c35 that addressed this. This has been addressed in Red Hat Enterprise Linux 5 and 6 via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-0498.html.",
"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",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1573",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1573"
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"release_date": "2010-04-28T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: sctp: fix to calc the INIT/INIT-ACK chunk length correctly to set"
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"text": "The Generic Receive Offload (GRO) implementation in the Linux kernel 2.6.18 on Red Hat Enterprise Linux 5 and 2.6.32 on Red Hat Enterprise Linux 6, as used in Red Hat Enterprise Virtualization (RHEV) Hypervisor and other products, allows remote attackers to cause a denial of service via crafted VLAN packets that are processed by the napi_reuse_skb function, leading to (1) a memory leak or (2) memory corruption, a different vulnerability than CVE-2011-1478.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: net: Fix memory leak/corruption on VLAN GRO_DROP",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue did not affect the version of Linux kernel as shipped with Red Hat\nEnterprise Linux 4 as it did not support Generic Receive Offload (GRO). This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html.",
"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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"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1576"
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"release_date": "2011-06-06T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: net: Fix memory leak/corruption on VLAN GRO_DROP"
},
{
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{
"names": [
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],
"cve": "CVE-2011-1593",
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{
"category": "description",
"text": "Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: proc: signedness issue in next_pidmap()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat\nEnterprise Linux 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1593",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1593"
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: proc: signedness issue in next_pidmap()"
},
{
"acknowledgments": [
{
"names": [
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"organization": "Openwall"
}
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{
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"text": "698996"
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{
"category": "description",
"text": "Integer overflow in the agp_generic_insert_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_BIND agp_ioctl ioctl call.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat\nEnterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1745",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1745"
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"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls"
},
{
"acknowledgments": [
{
"names": [
"Vasiliy Kulikov"
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"organization": "Openwall"
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"cve": "CVE-2011-1746",
"discovery_date": "2011-04-21T00:00:00+00:00",
"ids": [
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"text": "698998"
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{
"category": "description",
"text": "Multiple integer overflows in the (1) agp_allocate_memory and (2) agp_create_user_memory functions in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 allow local users to trigger buffer overflows, and consequently cause a denial of service (system crash) or possibly have unspecified other impact, via vectors related to calls that specify a large number of memory pages.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: agp: insufficient page_count parameter checking in agp_allocate_memory()",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1746",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1746"
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: agp: insufficient page_count parameter checking in agp_allocate_memory()"
},
{
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"names": [
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],
"cve": "CVE-2011-1776",
"discovery_date": "2011-05-09T00:00:00+00:00",
"ids": [
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"text": "703026"
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{
"category": "description",
"text": "The is_gpt_valid function in fs/partitions/efi.c in the Linux kernel before 2.6.39 does not check the size of an Extensible Firmware Interface (EFI) GUID Partition Table (GPT) entry, which allows physically proximate attackers to cause a denial of service (heap-based buffer overflow and OOPS) or obtain sensitive information from kernel heap memory by connecting a crafted GPT storage device, a different vulnerability than CVE-2011-1577.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: validate size of EFI GUID partition entries",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat\nEnterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html and https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2011-1776"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1776",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1776"
}
],
"release_date": "2011-05-06T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"text": "Xen, when using x86 Intel processors and the VMX virtualization extension is enabled, does not properly handle cpuid instruction emulation when exiting the VM, which allows local guest users to cause a denial of service (guest crash) via unspecified vectors.",
"title": "Vulnerability description"
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"text": "kernel: xen: vmx: insecure cpuid vmexit",
"title": "Vulnerability summary"
},
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"category": "other",
"text": "The versions of the Linux kernel as shipped with Red Hat Enterprise Linux 4, 6, and Red Hat Enterprise MRG are not affected. This has been addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2011-0927.html.\n\nAlso, only systems running on x86 architecture with Intel processor and VMX\nvirtualization extension enabled are affected.",
"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.",
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: xen: vmx: insecure cpuid vmexit"
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"names": [
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"organization": "Openwall"
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"category": "description",
"text": "The agp_generic_remove_memory function in drivers/char/agp/generic.c in the Linux kernel before 2.6.38.5 does not validate a certain start parameter, which allows local users to gain privileges or cause a denial of service (system crash) via a crafted AGPIOC_UNBIND agp_ioctl ioctl call, a different vulnerability than CVE-2011-1745.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat\nEnterprise 4, 5, 6, and Red Hat Enterprise MRG. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1350.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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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{
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"url": "https://www.cve.org/CVERecord?id=CVE-2011-2022"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-2022",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2022"
}
],
"release_date": "2011-04-14T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls"
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{
"acknowledgments": [
{
"names": [
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"cve": "CVE-2011-2213",
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"ids": [
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{
"category": "description",
"text": "The inet_diag_bc_audit function in net/ipv4/inet_diag.c in the Linux kernel before 2.6.39.3 does not properly audit INET_DIAG bytecode, which allows local users to cause a denial of service (kernel infinite loop) via crafted INET_DIAG_REQ_BYTECODE instructions in a netlink message, as demonstrated by an INET_DIAG_BC_JMP instruction with a zero yes value, a different vulnerability than CVE-2010-3880.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: inet_diag: insufficient validation",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the Linux kernel as shipped with Red Hat Enterprise Linux 4,\n5, 6, and Red Hat Enterprise MRG. Red Hat Enterprise Linux 4 is now in\nProduction 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates. This has been addressed in Red Hat Enterprise Linux 5, 6, and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1189.html and https://rhn.redhat.com/errata/RHSA-2011-1253.html.",
"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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{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-2213",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2213"
}
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{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"title": "kernel: inet_diag: insufficient validation"
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{
"acknowledgments": [
{
"names": [
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}
],
"cve": "CVE-2011-2492",
"discovery_date": "2011-05-09T00:00:00+00:00",
"ids": [
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{
"category": "description",
"text": "The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of Linux kernel as shipped with Red Hat Enterprise Linux 4, 5, 6, and Red Hat Enterprise MRG. It has been addressed in Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2011-0927.html, https://rhn.redhat.com/errata/RHSA-2011-1189.html, and https://rhn.redhat.com/errata/RHSA-2011-1253.html. Red Hat Enterprise Linux 4 is now in Production 3 of the maintenance life-cycle, https://access.redhat.com/support/policy/updates/errata/, therefore the fix for this issue is not currently planned to be included in the future updates.",
"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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{
"category": "external",
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"url": "https://www.cve.org/CVERecord?id=CVE-2011-2492"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-2492",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2492"
}
],
"release_date": "2011-05-09T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2011-07-15T05:14:00+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/kb/docs/DOC-11259\n\nTo install kernel packages manually, use \"rpm -ivh [package]\". Do not\nuse \"rpm -Uvh\" as that will remove the running kernel binaries from\nyour system. You may use \"rpm -e\" to remove old kernels after\ndetermining that the new kernel functions properly on your system.",
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"restart_required": {
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},
"url": "https://access.redhat.com/errata/RHSA-2011:0927"
}
],
"scores": [
{
"cvss_v2": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
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}
],
"threats": [
{
"category": "impact",
"details": "Low"
}
],
"title": "kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace"
}
]
}
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.