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Test ID:1.3.6.1.4.1.25623.1.0.870744
Category:Red Hat Local Security Checks
Title:RedHat Update for libvirt RHSA-2011:0479-01
Summary:The remote host is missing an update for the 'libvirt'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'libvirt'
package(s) announced via the referenced advisory.

Vulnerability Insight:
The libvirt library is a C API for managing and interacting with the
virtualization capabilities of Linux and other operating systems. In
addition, libvirt provides tools for remotely managing virtualized systems.

A flaw was found in the way libvirtd handled error reporting for concurrent
connections. A remote attacker able to establish read-only connections to
libvirtd on a server could use this flaw to crash libvirtd. (CVE-2011-1486)

This update also fixes the following bug:

* Previously, running qemu under a different UID prevented it from
accessing files with mode 0660 permissions that were owned by a different
user, but by a group that qemu was a member of. (BZ#668692)

All libvirt users are advised to upgrade to these updated packages, which
contain backported patches to resolve these issues. After installing the
updated packages, libvirtd must be restarted ('service libvirtd restart')
for this update to take effect.

Affected Software/OS:
libvirt 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:
3.3

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-1486
BugTraq ID: 47148
http://www.securityfocus.com/bid/47148
Debian Security Information: DSA-2280 (Google Search)
http://www.debian.org/security/2011/dsa-2280
https://www.redhat.com/archives/libvir-list/2011-March/msg01087.html
http://www.redhat.com/support/errata/RHSA-2011-0478.html
http://www.redhat.com/support/errata/RHSA-2011-0479.html
http://securitytracker.com/id?1025477
http://secunia.com/advisories/44459
http://www.ubuntu.com/usn/USN-1152-1
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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