Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2012.1059
Moderate: kernel security and bug fix update
7 November 2012
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux WS/Desktop 6
Red Hat Enterprise Linux Server 6
Linux variants
Impact/Access: Increased Privileges -- Existing Account
Denial of Service -- Existing Account
Reduced Security -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2012-3511 CVE-2012-3400 CVE-2012-2133
CVE-2012-1568
Original Bulletin:
https://rhn.redhat.com/errata/RHSA-2012-1426.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Red Hat. It is recommended that administrators
running kernel check for an updated version of the software for
their operating system.
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=====================================================================
Red Hat Security Advisory
Synopsis: Moderate: kernel security and bug fix update
Advisory ID: RHSA-2012:1426-01
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-1426.html
Issue date: 2012-11-06
CVE Names: CVE-2012-1568 CVE-2012-2133 CVE-2012-3400
CVE-2012-3511
=====================================================================
1. Summary:
Updated kernel packages that fix multiple security issues and several bugs
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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Desktop (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - noarch, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, noarch, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, noarch, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64
3. Description:
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
This update fixes the following security issues:
* A use-after-free flaw was found in the Linux kernel's memory management
subsystem in the way quota handling for huge pages was performed. A local,
unprivileged user could use this flaw to cause a denial of service or,
potentially, escalate their privileges. (CVE-2012-2133, Moderate)
* A use-after-free flaw was found in the madvise() system call
implementation in the Linux kernel. A local, unprivileged user could use
this flaw to cause a denial of service or, potentially, escalate their
privileges. (CVE-2012-3511, Moderate)
* It was found that when running a 32-bit binary that uses a large number
of shared libraries, one of the libraries would always be loaded at a
predictable address in memory. An attacker could use this flaw to bypass
the Address Space Layout Randomization (ASLR) security feature.
(CVE-2012-1568, Low)
* Buffer overflow flaws were found in the udf_load_logicalvol() function
in the Universal Disk Format (UDF) file system implementation in the Linux
kernel. An attacker with physical access to a system could use these flaws
to cause a denial of service or escalate their privileges. (CVE-2012-3400,
Low)
Red Hat would like to thank Shachar Raindel for reporting CVE-2012-2133.
This update also fixes several bugs. Documentation for these changes will
be available shortly from the Technical Notes document linked to in the
References section.
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.
4. Solution:
Before applying this update, make sure all previously-released errata
relevant to your system have been applied.
This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
To install kernel packages manually, use "rpm -ivh [package]". Do not
use "rpm -Uvh" as that will remove the running kernel binaries from
your system. You may use "rpm -e" to remove old kernels after
determining that the new kernel functions properly on your system.
5. Bugs fixed (http://bugzilla.redhat.com/):
804947 - CVE-2012-1568 kernel: execshield: predictable ascii armour base address
817430 - CVE-2012-2133 kernel: use after free bug in "quota" handling
843139 - CVE-2012-3400 kernel: udf: buffer overflow when parsing sparing table
849734 - CVE-2012-3511 kernel: mm: use-after-free in madvise_remove()
860787 - [xfs/xfstests 273] heavy cp workload hang [rhel-6.3.z]
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
kernel-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-headers-2.6.32-279.14.1.el6.i686.rpm
perf-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
noarch:
kernel-doc-2.6.32-279.14.1.el6.noarch.rpm
kernel-firmware-2.6.32-279.14.1.el6.noarch.rpm
x86_64:
kernel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
kernel-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-headers-2.6.32-279.14.1.el6.x86_64.rpm
perf-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
noarch:
kernel-doc-2.6.32-279.14.1.el6.noarch.rpm
kernel-firmware-2.6.32-279.14.1.el6.noarch.rpm
x86_64:
kernel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
kernel-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-headers-2.6.32-279.14.1.el6.x86_64.rpm
perf-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
kernel-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-headers-2.6.32-279.14.1.el6.i686.rpm
perf-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
noarch:
kernel-doc-2.6.32-279.14.1.el6.noarch.rpm
kernel-firmware-2.6.32-279.14.1.el6.noarch.rpm
ppc64:
kernel-2.6.32-279.14.1.el6.ppc64.rpm
kernel-bootwrapper-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debug-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-279.14.1.el6.ppc64.rpm
kernel-devel-2.6.32-279.14.1.el6.ppc64.rpm
kernel-headers-2.6.32-279.14.1.el6.ppc64.rpm
perf-2.6.32-279.14.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
s390x:
kernel-2.6.32-279.14.1.el6.s390x.rpm
kernel-debug-2.6.32-279.14.1.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-279.14.1.el6.s390x.rpm
kernel-devel-2.6.32-279.14.1.el6.s390x.rpm
kernel-headers-2.6.32-279.14.1.el6.s390x.rpm
kernel-kdump-2.6.32-279.14.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
kernel-kdump-devel-2.6.32-279.14.1.el6.s390x.rpm
perf-2.6.32-279.14.1.el6.s390x.rpm
perf-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
x86_64:
kernel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
kernel-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-headers-2.6.32-279.14.1.el6.x86_64.rpm
perf-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
ppc64:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
kernel-debuginfo-common-ppc64-2.6.32-279.14.1.el6.ppc64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
python-perf-2.6.32-279.14.1.el6.ppc64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.ppc64.rpm
s390x:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-279.14.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
perf-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
python-perf-2.6.32-279.14.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.s390x.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
kernel-devel-2.6.32-279.14.1.el6.i686.rpm
kernel-headers-2.6.32-279.14.1.el6.i686.rpm
perf-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
noarch:
kernel-doc-2.6.32-279.14.1.el6.noarch.rpm
kernel-firmware-2.6.32-279.14.1.el6.noarch.rpm
x86_64:
kernel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
kernel-devel-2.6.32-279.14.1.el6.x86_64.rpm
kernel-headers-2.6.32-279.14.1.el6.x86_64.rpm
perf-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/kernel-2.6.32-279.14.1.el6.src.rpm
i386:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-279.14.1.el6.i686.rpm
perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
python-perf-2.6.32-279.14.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.i686.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-279.14.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-2.6.32-279.14.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-279.14.1.el6.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package
7. References:
https://www.redhat.com/security/data/cve/CVE-2012-1568.html
https://www.redhat.com/security/data/cve/CVE-2012-2133.html
https://www.redhat.com/security/data/cve/CVE-2012-3400.html
https://www.redhat.com/security/data/cve/CVE-2012-3511.html
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/6.3_Technical_Notes/kernel.html#RHSA-2012-1426
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2012 Red Hat, Inc.
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