Security update for libvirt (important)

libvirt was updated to fix the following security issue:

• A flaw was found in the way message freeing on
  connection cleanup was handled under certain error
  conditions. A remote user able to issue commands to libvirt
  daemon could use this flaw to crash libvirtd or,
  potentially, escalate their privilages to that of libvirtd
  process. (CVE-2013-0170)

Also following bug has been fixed:

• Add managedSave functions to legacy xen driver
  bnc#782311