Revision 556625

- kvm: rtc_status.dest_map out-of-bounds access (CVE-2013-4587)
- kvm: division by zero in apic_get_tmcct() (CVE-2013-6367)
- kvm: cross page vapic_addr access (CVE-2013-6368)
- kvm: BUG_ON() in apic_cluster_id() (CVE-2013-6376)