[Oraclevm-errata] OVMSA-2015-0031 Important: Oracle VM 3.3 xen security update

[Errata Announcements for Oracle VM]

Oracle VM Security Advisory OVMSA-2015-0031

The following updated rpms for Oracle VM 3.3 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
xen-4.3.0-55.el6.22.12.x86_64.rpm
xen-tools-4.3.0-55.el6.22.12.x86_64.rpm


SRPMS:
http://oss.oracle.com/oraclevm/server/3.3/SRPMS-updates/xen-4.3.0-55.el6.22.12.src.rpm



Description of changes:

[4.3.0-55.el6.22.12]
- x86emul: fully ignore segment override for register-only operations
   For ModRM encoded instructions with register operands we must not
   overwrite ea.mem.seg (if a - bogus in that case - segment override was
   present) as it aliases with ea.reg.
   This is CVE-2015-2151 / XSA-123.
   Signed-off-by: Jan Beulich <jbeulich at suse.com>
   Reviewed-by: Tim Deegan <tim at xen.org>
   Reviewed-by: Keir Fraser <keir at xen.org>
     Acked-by: Chuck Anderson <chuck.anderson at oracle.com>
   Reviewed-by: John Haxby <john.haxby at oracle.com> [bug 20659547] 
{CVE-2015-2151}