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Test ID:1.3.6.1.4.1.25623.1.0.870850
Category:Red Hat Local Security Checks
Title:RedHat Update for kernel RHSA-2012:1366-01
Summary:The remote host is missing an update for the 'kernel'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'kernel'
package(s) announced via the referenced advisory.

Vulnerability Insight:
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 way socket buffers (skb) requiring TSO (TCP
segment offloading) were handled by the sfc driver. If the skb did not fit
within the minimum-size of the transmission queue, the network card could
repeatedly reset itself. A remote attacker could use this flaw to cause a
denial of service. (CVE-2012-3412, Important)

Red Hat would like to thank Ben Hutchings of Solarflare (tm) for reporting
this issue.

This update also fixes several bugs. Documentation for these changes will
be available shortly from the Technical Notes document linked to in the
References section.

Users should upgrade to these updated packages, which contain backported
patches to correct this issue, and fix the bugs noted in the Technical
Notes. The system must be rebooted for this update to take effect.

Affected Software/OS:
kernel on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
7.8

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2012-3412
http://www.openwall.com/lists/oss-security/2012/08/03/4
RedHat Security Advisories: RHSA-2012:1323
http://rhn.redhat.com/errata/RHSA-2012-1323.html
RedHat Security Advisories: RHSA-2012:1324
http://rhn.redhat.com/errata/RHSA-2012-1324.html
RedHat Security Advisories: RHSA-2012:1347
http://rhn.redhat.com/errata/RHSA-2012-1347.html
RedHat Security Advisories: RHSA-2012:1375
http://rhn.redhat.com/errata/RHSA-2012-1375.html
RedHat Security Advisories: RHSA-2012:1401
http://rhn.redhat.com/errata/RHSA-2012-1401.html
RedHat Security Advisories: RHSA-2012:1430
http://rhn.redhat.com/errata/RHSA-2012-1430.html
http://secunia.com/advisories/50633
http://secunia.com/advisories/50732
http://secunia.com/advisories/50811
http://secunia.com/advisories/51193
SuSE Security Announcement: SUSE-SU-2012:1679 (Google Search)
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
SuSE Security Announcement: openSUSE-SU-2012:1330 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00005.html
http://www.ubuntu.com/usn/USN-1567-1
http://www.ubuntu.com/usn/USN-1568-1
http://www.ubuntu.com/usn/USN-1572-1
http://www.ubuntu.com/usn/USN-1575-1
http://www.ubuntu.com/usn/USN-1577-1
http://www.ubuntu.com/usn/USN-1578-1
http://www.ubuntu.com/usn/USN-1579-1
http://www.ubuntu.com/usn/USN-1580-1
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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