If you are running CentOS 6.1, CentOS 6.2, CentOS 6.3 or CentOS 6.4, 32 bit or 64 bit with a kernel version 2.6.32-358.6.1.el6 or below, your system is vulnerable to CVE-2013-2094.
There is a publicly available exploit for a local user to gain root privileges. SELinux does not prevent this.
More details regarding the bug can be found here: https://bugzilla.redhat.com/show_bug.cgi?id=962792
A kernel update is available to resolve this issue (2.6.32-358.6.2.el6). To update your system, run the following command:
yum update kernel*
You will need to restart your system in order for the changes to take effect.
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