Ubuntu 12.04 LTS : linux-lts-quantal vulnerabilities (USN-1970-1)

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

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 failure to validate block numbers was discovered in the Linux
kernel's implementation of the XFS filesystem. A local user can cause
a denial of service (system crash) if they can mount, or cause to be
mounted a corrupted or special crafted XFS filesystem. (CVE-2013-1819)

An information leak was discovered in the Linux kernel's IPSec
key_socket when using the notify_policy interface. A local user could
exploit this flaw to examine potentially sensitive information in
kernel memory. (CVE-2013-2237).

Solution :

Update the affected linux-image-3.5.0-41-generic package.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 70191 ()

Bugtraq ID:

CVE ID: CVE-2013-1819
CVE-2013-2237
CVE-2013-4254