Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.
The remote Ubuntu host is missing a security-related patch.
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).
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).
Update the affected linux-image-3.8.0-31-generic package.
Risk factor :
Medium / CVSS Base Score : 6.9