Linux kernel built with Extended Verification Module(EVM) on and configured
properly, is vulnerable to a NULL pointer de-reference issue, caused by
accessing extended attribute routines of sockfs inode object.
An unprivileged user/program could use this flaw to crash the Linux kernel,
resulting in DoS.
CVE-2013-0313 is assigned to this issue.
Not vulnerable. This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5, and 6, and Red Hat Enterprise MRG 2.