Issued:

2013-01-28

Updated:

2013-01-28

RHSA-2013:0199 - Important: libvirt security update

Synopsis

Important: libvirt security update

Type/Severity

Security Advisory Important

Topic

Updated libvirt packages that fix one security issue are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

Description

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 remote management of virtualized systems.

A flaw was found in the way libvirtd handled connection cleanup (when a connection was being closed) under certain error conditions. A remote attacker able to establish a read-only connection to libvirtd could use this flaw to crash libvirtd or, potentially, execute arbitrary code with the privileges of the root user. (CVE-2013-0170)

This issue was discovered by Tingting Zheng of Red Hat.

All users of libvirt are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. After installing the updated packages, libvirtd will be restarted automatically.

Solution

Before applying this update, make sure all previously-released errata relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258

Affected Products

Updated Packages

• libvirt-devel-0.9.10-21.el6_3.8.ppc.rpm
• libvirt-0.9.10-21.el6_3.8.i686.rpm
• libvirt-python-0.9.10-21.el6_3.8.s390x.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-client-0.9.10-21.el6_3.8.s390x.rpm
• libvirt-devel-0.9.10-21.el6_3.8.s390x.rpm
• libvirt-python-0.9.10-21.el6_3.8.ppc64.rpm
• libvirt-devel-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.i686.rpm
• libvirt-devel-0.9.10-21.el6_3.8.i686.rpm
• libvirt-0.9.10-21.el6_3.8.ppc64.rpm
• libvirt-client-0.9.10-21.el6_3.8.ppc64.rpm
• libvirt-python-0.9.10-21.el6_3.8.i686.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.s390x.rpm
• libvirt-0.9.10-21.el6_3.8.s390x.rpm
• libvirt-client-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.s390.rpm
• libvirt-python-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-client-0.9.10-21.el6_3.8.ppc.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.ppc64.rpm
• libvirt-client-0.9.10-21.el6_3.8.s390.rpm
• libvirt-0.9.10-21.el6_3.8.src.rpm
• libvirt-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-devel-0.9.10-21.el6_3.8.s390.rpm
• libvirt-client-0.9.10-21.el6_3.8.i686.rpm
• libvirt-debuginfo-0.9.10-21.el6_3.8.ppc.rpm
• libvirt-lock-sanlock-0.9.10-21.el6_3.8.x86_64.rpm
• libvirt-devel-0.9.10-21.el6_3.8.ppc64.rpm

Fixes

• This content is not included.BZ - 893450

CVEs

• CVE-2013-0170

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.