Ubuntu 11.10 : linux vulnerabilities (USN-1648-1)

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Brad Spengler discovered a flaw in the Linux kernel's uname system
call. An unprivileged user could exploit this flaw to read kernel
stack memory. (CVE-2012-0957)

Rodrigo Freire discovered a flaw in the Linux kernel's TCP illinois
congestion control algorithm. A local attacker could use this to cause
a denial of service. (CVE-2012-4565).

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 packages.

Risk factor :

Medium / CVSS Base Score : 4.9
(CVSS2#AV:L/AC:L/Au:N/C:C/I:N/A:N)

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 63120 ()

Bugtraq ID:

CVE ID: CVE-2012-0957
CVE-2012-4565