RHEL 5 : kernel (RHSA-2011:1418)

This script is Copyright (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated kernel packages that fix one security issue are now available
for Red Hat Enterprise Linux 5.3 Long Life.

The Red Hat Security Response Team has rated this update as having
moderate security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

The kernel packages contain the Linux kernel, the core of any Linux
operating system.

This update fixes the following security issue :

* A flaw was found in the Linux kernel's clock implementation on
32-bit, SMP (symmetric multiprocessing) systems. A local, unprivileged
user could use this flaw to cause a divide error fault, resulting in a
denial of service. (CVE-2011-3209, Moderate)

Red Hat would like to thank Yasuaki Ishimatsu for reporting this
issue.

Users should upgrade to these updated packages, which contain a
backported patch to correct this issue. The system must be rebooted
for this update to take effect.

See also :

https://www.redhat.com/security/data/cve/CVE-2011-3209.html
http://rhn.redhat.com/errata/RHSA-2011-1418.html

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 4.9
(CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Red Hat Local Security Checks

Nessus Plugin ID: 64004 ()

Bugtraq ID: 50311

CVE ID: CVE-2011-3209