Moderate CentOS kernel Update
|kernel-2.6.32-279.14.1.el6.i686.rpm, kernel-2.6.32-279.14.1.el6.src.rpm, kernel-2.6.32-279.14.1.el6.x86_64.rpm, kernel-debug-2.6.32-279.14.1.el6.i686.rpm, kernel-debug-2.6.32-279.14.1.el6.x86_64.rpm, kernel-debug-devel-2.6.32-279.14.1.el6.i686.rpm, kernel-debug-devel-2.6.32-279.14.1.el6.x86_64.rpm, kernel-devel-2.6.32-279.14.1.el6.i686.rpm, kernel-devel-2.6.32-279.14.1.el6.x86_64.rpm, kernel-doc-2.6.32-279.14.1.el6.noarch.rpm, kernel-firmware-2.6.32-279.14.1.el6.noarch.rpm, kernel-headers-2.6.32-279.14.1.el6.i686.rpm, kernel-headers-2.6.32-279.14.1.el6.x86_64.rpm, perf-2.6.32-279.14.1.el6.i686.rpm, perf-2.6.32-279.14.1.el6.x86_64.rpm, python-perf-2.6.32-279.14.1.el6.i686.rpm, python-perf-2.6.32-279.14.1.el6.x86_64.rpm|
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.
The kernel packages contain the Linux kernel, the core of any Linux
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.
* 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,
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
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.
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The constraints below list the versions that this vulnerability is patched in, and versions that are unaffected. If a patch is ready but unrealeased, then it is pending.
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Affected package information