Buffer overflow in virt/kvm/irq_comm.c in the KVM subsystem in the Linux kernel before 3.2.24 allows local users to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to Message Signaled Interrupts (MSI), irq routing entries, and an incorrect check by the setup_routing_entry function before invoking the kvm_set_irq function.
https://bugzilla.redhat.com/show_bug.cgi?id=816151
http://www.ubuntu.com/usn/USN-1609-1
http://www.ubuntu.com/usn/USN-1606-1
http://www.ubuntu.com/usn/USN-1594-1
http://www.securityfocus.com/bid/54063
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
http://ubuntu.com/usn/usn-1607-1
http://ubuntu.com/usn/usn-1529-1
http://rhn.redhat.com/errata/RHSA-2012-0743.html
http://marc.info/?l=bugtraq&m=139447903326211&w=2
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html