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Test ID:1.3.6.1.4.1.25623.1.0.870766
Category:Red Hat Local Security Checks
Title:RedHat Update for Red Hat Enterprise Linux 6 kernel RHSA-2012:0862-04
Summary:The remote host is missing an update for the 'Red Hat Enterprise Linux 6 kernel'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'Red Hat Enterprise Linux 6 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 issues:

* A flaw was found in the way the Linux kernel's Event Poll (epoll)
subsystem handled large, nested epoll structures. A local, unprivileged
user could use this flaw to cause a denial of service. (CVE-2011-1083,
Moderate)

* A malicious Network File System version 4 (NFSv4) server could return a
crafted reply to a GETACL request, causing a denial of service on the
client. (CVE-2011-4131, Moderate)

Red Hat would like to thank Nelson Elhage for reporting CVE-2011-1083, and
Andy Adamson for reporting CVE-2011-4131.

This update also fixes several hundred bugs and adds enhancements. Refer to
the Red Hat Enterprise Linux 6.3 Release Notes for information on the most
significant of these changes, and the Technical Notes for further
information, both linked to in the References.

All Red Hat Enterprise Linux 6 users are advised to install these updated
packages, which correct these issues, and fix the bugs and add the
enhancements noted in the Red Hat Enterprise Linux 6.3 Release Notes and
Technical Notes. The system must be rebooted for this update to take
effect.

Affected Software/OS:
Red Hat Enterprise Linux 6 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:
4.9

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-1083
http://article.gmane.org/gmane.linux.kernel/1105744
http://article.gmane.org/gmane.linux.kernel/1105888
http://article.gmane.org/gmane.linux.kernel/1106686
http://openwall.com/lists/oss-security/2011/03/02/1
http://openwall.com/lists/oss-security/2011/03/02/2
http://www.osvdb.org/71265
RedHat Security Advisories: RHSA-2012:0862
http://rhn.redhat.com/errata/RHSA-2012-0862.html
http://secunia.com/advisories/43522
http://secunia.com/advisories/48115
http://secunia.com/advisories/48410
http://secunia.com/advisories/48898
http://secunia.com/advisories/48964
SuSE Security Announcement: SUSE-SU-2012:0554 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
SuSE Security Announcement: SUSE-SU-2012:0616 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
Common Vulnerability Exposure (CVE) ID: CVE-2011-4131
http://lists.fedoraproject.org/pipermail/package-announce/2012-May/081280.html
http://www.openwall.com/lists/oss-security/2011/11/12/1
RedHat Security Advisories: RHSA-2012:1541
http://rhn.redhat.com/errata/RHSA-2012-1541.html
SuSE Security Announcement: openSUSE-SU-2013:0925 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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