Please Install the Updated Packages.

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)

linux on Ubuntu 13.04

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2013-September/002261.html

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Updated on 2015-03-25