Ubuntu Update for linux-lts-raring USN-1971-1

Solution
Please Install the Updated Packages.
Insight
Vince Weaver discovered a flaw in the perf subsystem of the Linux kernel on ARM platforms. A local user could exploit this flaw to gain privileges or cause a denial of service (system crash). (CVE-2013-4254) A memory leak was discovered in the user namespace facility of the Linux kernel. A local user could cause a denial of service (memory consumption) via the CLONE_NEWUSER unshare call. (CVE-2013-4205)
Affected
linux-lts-raring on Ubuntu 12.04 LTS
References