Important CentOS kernel Update


kernel-2.6.32-431.17.1.el6.i686.rpm, kernel-2.6.32-431.17.1.el6.src.rpm, kernel-2.6.32-431.17.1.el6.x86_64.rpm, kernel-abi-whitelists-2.6.32-431.17.1.el6.noarch.rpm, kernel-debug-2.6.32-431.17.1.el6.i686.rpm, kernel-debug-2.6.32-431.17.1.el6.x86_64.rpm, kernel-debug-devel-2.6.32-431.17.1.el6.i686.rpm, kernel-debug-devel-2.6.32-431.17.1.el6.x86_64.rpm, kernel-devel-2.6.32-431.17.1.el6.i686.rpm, kernel-devel-2.6.32-431.17.1.el6.x86_64.rpm, kernel-doc-2.6.32-431.17.1.el6.noarch.rpm, kernel-firmware-2.6.32-431.17.1.el6.noarch.rpm, kernel-headers-2.6.32-431.17.1.el6.i686.rpm, kernel-headers-2.6.32-431.17.1.el6.x86_64.rpm, perf-2.6.32-431.17.1.el6.i686.rpm, perf-2.6.32-431.17.1.el6.x86_64.rpm, python-perf-2.6.32-431.17.1.el6.i686.rpm, python-perf-2.6.32-431.17.1.el6.x86_64.rpm,
2018-01-18 11:07
2017-07-27 19:06
2017-04-01 19:08
2017-01-05 20:11


Updated kernel packages that fix three 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
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.

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

* A flaw was found in the way the Linux kernel's netfilter connection
tracking implementation for Datagram Congestion Control Protocol (DCCP)
packets used the skb_header_pointer() function. A remote attacker could use
this flaw to send a specially crafted DCCP packet to crash the system or,
potentially, escalate their privileges on the system. (CVE-2014-2523,

* A flaw was found in the way the Linux kernel's Adaptec RAID controller
(aacraid) checked permissions of compat IOCTLs. A local attacker could use
this flaw to bypass intended security restrictions. (CVE-2013-6383,

* A flaw was found in the way the handle_rx() function handled large
network packets when mergeable buffers were disabled. A privileged guest
user could use this flaw to crash the host or 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-2014-0077, Moderate)

The CVE-2014-0077 issue was discovered by Michael S. Tsirkin of Red Hat.

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.

All kernel users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues. The system must be
rebooted for this update to take effect.
Please see

Am I vulnerable?

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

Release Package Patched in
6 kernel kernel-2.6.32-431.17.1.el6.i686.rpm
kernel kernel-2.6.32-431.17.1.el6.src.rpm
kernel kernel-2.6.32-431.17.1.el6.x86_64.rpm
kernel-abi-whitelists kernel-abi-whitelists-2.6.32-431.17.1.el6.noarch.rpm
kernel-debug kernel-debug-2.6.32-431.17.1.el6.i686.rpm
kernel-debug kernel-debug-2.6.32-431.17.1.el6.x86_64.rpm
kernel-debug-devel kernel-debug-devel-2.6.32-431.17.1.el6.i686.rpm
kernel-debug-devel kernel-debug-devel-2.6.32-431.17.1.el6.x86_64.rpm
kernel-devel kernel-devel-2.6.32-431.17.1.el6.i686.rpm
kernel-devel kernel-devel-2.6.32-431.17.1.el6.x86_64.rpm
kernel-doc kernel-doc-2.6.32-431.17.1.el6.noarch.rpm
kernel-firmware kernel-firmware-2.6.32-431.17.1.el6.noarch.rpm
kernel-headers kernel-headers-2.6.32-431.17.1.el6.i686.rpm
kernel-headers kernel-headers-2.6.32-431.17.1.el6.x86_64.rpm
perf perf-2.6.32-431.17.1.el6.i686.rpm
perf perf-2.6.32-431.17.1.el6.x86_64.rpm
python-perf python-perf-2.6.32-431.17.1.el6.i686.rpm
python-perf python-perf-2.6.32-431.17.1.el6.x86_64.rpm