Updated libvirt packages that fix one security issue and two bugs are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score,

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====================================================================                   Red Hat Security Advisory

Synopsis:          Moderate: libvirt security and bug fix update
Advisory ID:       RHSA-2012:1202-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2012:1202.html
Issue date:        2012-08-23
CVE Names:         CVE-2012-3445 
====================================================================
1. Summary:

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

The Red Hat Security Response Team has rated this update as having moderate
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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. 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 libvirtd's RPC call handling. An attacker able to
establish a read-only connection to libvirtd could trigger this flaw with a
specially-crafted RPC command that has the number of parameters set to 0,
causing libvirtd to access invalid memory and crash. (CVE-2012-3445)

This update also fixes the following bugs:

* Previously, repeatedly migrating a guest between two machines while using
the tunnelled migration could cause the libvirt daemon to lock up
unexpectedly. The bug in the code for locking remote drivers has been fixed
and repeated tunnelled migrations of domains now work as expected.
(BZ#847946)

* Previously, when certain system locales were used by the system, libvirt
could issue incorrect commands to the hypervisor. This bug has been fixed
and the libvirt library and daemon are no longer affected by the choice of
the user locale. (BZ#847959)

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

4. 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

5. Bugs fixed (http://bugzilla.redhat.com/):

844734 - CVE-2012-3445 libvirt: crash in virTypedParameterArrayClear
847946 - libvirtd may hang during tunneled migration

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:

i386:
libvirt-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-python-0.9.10-21.el6_3.4.i686.rpm

x86_64:
libvirt-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-python-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:

i386:
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm

x86_64:
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-lock-sanlock-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:

x86_64:
libvirt-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-python-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:

x86_64:
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-lock-sanlock-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:

i386:
libvirt-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-python-0.9.10-21.el6_3.4.i686.rpm

ppc64:
libvirt-0.9.10-21.el6_3.4.ppc64.rpm
libvirt-client-0.9.10-21.el6_3.4.ppc.rpm
libvirt-client-0.9.10-21.el6_3.4.ppc64.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.ppc.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.ppc64.rpm
libvirt-devel-0.9.10-21.el6_3.4.ppc.rpm
libvirt-devel-0.9.10-21.el6_3.4.ppc64.rpm
libvirt-python-0.9.10-21.el6_3.4.ppc64.rpm

s390x:
libvirt-0.9.10-21.el6_3.4.s390x.rpm
libvirt-client-0.9.10-21.el6_3.4.s390.rpm
libvirt-client-0.9.10-21.el6_3.4.s390x.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.s390.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.s390x.rpm
libvirt-devel-0.9.10-21.el6_3.4.s390.rpm
libvirt-devel-0.9.10-21.el6_3.4.s390x.rpm
libvirt-python-0.9.10-21.el6_3.4.s390x.rpm

x86_64:
libvirt-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-python-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:

x86_64:
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-lock-sanlock-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:

i386:
libvirt-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-python-0.9.10-21.el6_3.4.i686.rpm

x86_64:
libvirt-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-client-0.9.10-21.el6_3.4.i686.rpm
libvirt-client-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.i686.rpm
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-devel-0.9.10-21.el6_3.4.i686.rpm
libvirt-devel-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-python-0.9.10-21.el6_3.4.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:

x86_64:
libvirt-debuginfo-0.9.10-21.el6_3.4.x86_64.rpm
libvirt-lock-sanlock-0.9.10-21.el6_3.4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://access.redhat.com/security/cve/CVE-2012-3445
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is .  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2012 Red Hat, Inc.
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