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Test ID:1.3.6.1.4.1.25623.1.0.71324
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2012:0571
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2012:0571.

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 journal_unmap_buffer()
function handled buffer head states. On systems that have an ext4 file
system with a journal mounted, a local, unprivileged user could use this
flaw to cause a denial of service. (CVE-2011-4086, Moderate)

* A flaw was found in the way the KVM_CREATE_IRQCHIP ioctl was handled.
Calling this ioctl when at least one virtual CPU (VCPU) already existed
could lead to a NULL pointer dereference later when the VCPU is scheduled
to run. A local, unprivileged user on a KVM host could use this flaw to
crash the host. (CVE-2012-1601, Moderate)

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 these issues, and fix the bugs noted in the Technical
Notes. The system must be rebooted for this update to take effect.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2012-0571.html

Risk factor : Medium

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-4086
Debian Security Information: DSA-2469 (Google Search)
http://www.debian.org/security/2012/dsa-2469
RedHat Security Advisories: RHSA-2012:0571
http://rhn.redhat.com/errata/RHSA-2012-0571.html
RedHat Security Advisories: RHSA-2012:0670
http://rhn.redhat.com/errata/RHSA-2012-0670.html
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-2012-1601
http://www.openwall.com/lists/oss-security/2012/03/30/1
RedHat Security Advisories: RHSA-2012:0676
http://rhn.redhat.com/errata/RHSA-2012-0676.html
http://www.securitytracker.com/id?1026897
http://secunia.com/advisories/49928
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-2013:0925 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
CopyrightCopyright (c) 2012 E-Soft Inc. http://www.securityspace.com

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