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Test ID:1.3.6.1.4.1.25623.1.0.871097
Category:Red Hat Local Security Checks
Title:RedHat Update for kernel RHSA-2013:1801-01
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.

* A flaw was found in the way the Linux kernel's TCP/IP protocol suite
implementation handled sending of certain UDP packets over sockets that
used the UDP_CORK option when the UDP Fragmentation Offload (UFO) feature
was enabled on the output device. A local, unprivileged user could use this
flaw to cause a denial of service or, potentially, escalate their
privileges on the system. (CVE-2013-4470, Important)

* A divide-by-zero flaw was found in the apic_get_tmcct() function in KVM's
Local Advanced Programmable Interrupt Controller (LAPIC) implementation.
A privileged guest user could use this flaw to crash the host.
(CVE-2013-6367, Important)

* A memory corruption flaw was discovered in the way KVM handled virtual
APIC accesses that crossed a page boundary. A local, unprivileged user
could use this flaw to crash the system or, potentially, escalate their
privileges on the system. (CVE-2013-6368, Important)

* An information leak flaw in the Linux kernel could allow a local,
unprivileged user to leak kernel memory to user space. (CVE-2013-2141, Low)

Red Hat would like to thank Hannes Frederic Sowa for reporting
CVE-2013-4470, and Andrew Honig of Google for reporting CVE-2013-6367 and
CVE-2013-6368.

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

All kernel users are advised to upgrade to these updated packages, which
contain backported patches to correct these issues and add these
enhancements. 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:
6.9

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2013-2141
Debian Security Information: DSA-2766 (Google Search)
http://www.debian.org/security/2013/dsa-2766
http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
http://www.openwall.com/lists/oss-security/2013/06/04/10
RedHat Security Advisories: RHSA-2013:1801
http://rhn.redhat.com/errata/RHSA-2013-1801.html
http://secunia.com/advisories/55055
SuSE Security Announcement: openSUSE-SU-2013:1971 (Google Search)
http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
http://www.ubuntu.com/usn/USN-1899-1
http://www.ubuntu.com/usn/USN-1900-1
Common Vulnerability Exposure (CVE) ID: CVE-2013-4470
BugTraq ID: 63359
http://www.securityfocus.com/bid/63359
http://www.openwall.com/lists/oss-security/2013/10/25/5
RedHat Security Advisories: RHSA-2014:0100
http://rhn.redhat.com/errata/RHSA-2014-0100.html
RedHat Security Advisories: RHSA-2014:0284
http://rhn.redhat.com/errata/RHSA-2014-0284.html
SuSE Security Announcement: SUSE-SU-2014:0459 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00026.html
http://www.ubuntu.com/usn/USN-2040-1
http://www.ubuntu.com/usn/USN-2042-1
http://www.ubuntu.com/usn/USN-2043-1
http://www.ubuntu.com/usn/USN-2044-1
http://www.ubuntu.com/usn/USN-2046-1
http://www.ubuntu.com/usn/USN-2049-1
http://www.ubuntu.com/usn/USN-2050-1
http://www.ubuntu.com/usn/USN-2066-1
http://www.ubuntu.com/usn/USN-2067-1
http://www.ubuntu.com/usn/USN-2069-1
http://www.ubuntu.com/usn/USN-2073-1
Common Vulnerability Exposure (CVE) ID: CVE-2013-6367
BugTraq ID: 64270
http://www.securityfocus.com/bid/64270
http://www.openwall.com/lists/oss-security/2013/12/12/12
RedHat Security Advisories: RHSA-2014:0163
http://rhn.redhat.com/errata/RHSA-2014-0163.html
SuSE Security Announcement: openSUSE-SU-2014:0204 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
SuSE Security Announcement: openSUSE-SU-2014:0205 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
SuSE Security Announcement: openSUSE-SU-2014:0247 (Google Search)
http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html
http://www.ubuntu.com/usn/USN-2109-1
http://www.ubuntu.com/usn/USN-2110-1
http://www.ubuntu.com/usn/USN-2113-1
http://www.ubuntu.com/usn/USN-2117-1
http://www.ubuntu.com/usn/USN-2128-1
http://www.ubuntu.com/usn/USN-2129-1
http://www.ubuntu.com/usn/USN-2135-1
http://www.ubuntu.com/usn/USN-2136-1
http://www.ubuntu.com/usn/USN-2138-1
http://www.ubuntu.com/usn/USN-2139-1
http://www.ubuntu.com/usn/USN-2141-1
Common Vulnerability Exposure (CVE) ID: CVE-2013-6368
BugTraq ID: 64291
http://www.securityfocus.com/bid/64291
http://www.ubuntu.com/usn/USN-2133-1
http://www.ubuntu.com/usn/USN-2134-1
CopyrightCopyright (C) 2013 Greenbone Networks GmbH

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