Security update for Xen (important)

XEN was updated 4.1.3 to fix multiple bugs and security
issues.

The following security issues have been fixed:

• CVE-2012-3494: xen: hypercall set_debugreg
  vulnerability (XSA-12)
• CVE-2012-3495: xen: hypercall physdev_get_free_pirq
  vulnerability (XSA-13)
• CVE-2012-3496: xen: XENMEM_populate_physmap DoS
  vulnerability (XSA-14)
• CVE-2012-3498: xen: PHYSDEVOP_map_pirq index
  vulnerability (XSA-16)
• CVE-2012-3515: xen: Qemu VT100 emulation
  vulnerability (XSA-17)

Also the following bugs have been fixed:

• pvscsi support of attaching Luns - bnc#776995

The following related bugs in vm-install 0.5.12 have been
fixed:

• bnc#776300 - vm-install does not pass --extra-args in
  –upgrade
• Add for support Open Enterprise Server 11
• Add support for Windows 8 and Windows Server 2012
• Add support for Ubuntu 12 (Precise Pangolin)