Buffer overflow in the virtio subsystem in qemu-kvm 0.14.0 and earlier allows privileged guest users to cause a denial of service (guest crash) or gain privileges via a crafted indirect descriptor related to "virtqueue in and out requests."
https://www.debian.org/security/2011/dsa-2282
https://hermes.opensuse.org/messages/9605323
https://bugzilla.redhat.com/show_bug.cgi?id=713589
http://ubuntu.com/usn/usn-1165-1
http://secunia.com/advisories/45354
http://secunia.com/advisories/45301
http://secunia.com/advisories/45188
http://secunia.com/advisories/45187
http://secunia.com/advisories/45170
http://secunia.com/advisories/45158
http://rhn.redhat.com/errata/RHSA-2011-0919.html
http://lists.opensuse.org/opensuse-security-announce/2011-07/msg00007.html