Ubuntu 12.10 : linux vulnerabilities (USN-1972-1)

Ubuntu Security Notice (C) 2013-2016 Canonical, Inc. / NASL script (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

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).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected linux-image-3.5.0-41-generic and / or
linux-image-3.5.0-41-highbank packages.

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: 70193 ()

Bugtraq ID:

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

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