Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1900-1)

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 :

Dmitry Monakhov reported a race condition flaw the Linux ext4
filesystem that can expose stale data. An unprivileged user could
exploit this flaw to cause an information leak. (CVE-2012-4508)

An information leak was discovered in the Linux kernel's tkill and
tgkill system calls when used from compat processes. A local user
could exploit this flaw to examine potentially sensitive kernel
memory. (CVE-2013-2141)

Kees Cook discovered a format string vulnerability in the Broadcom B43
wireless driver for the Linux kernel. A local user could exploit this
flaw to gain administrative privileges. (CVE-2013-2852).

Solution :

Update the affected linux-image-2.6.32-354-ec2 package.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 67191 ()

Bugtraq ID: 56238
60254
60410

CVE ID: CVE-2012-4508
CVE-2013-2141
CVE-2013-2852