Memory leak in the __kvm_set_memory_region function in virt/kvm/kvm_main.c in the Linux kernel before 3.9 allows local users to cause a denial of service (memory consumption) by leveraging certain device access to trigger movement of memory slots.
https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.9.bz2
https://bugzilla.redhat.com/show_bug.cgi?id=1031702
http://www.ubuntu.com/usn/USN-2116-1
http://www.ubuntu.com/usn/USN-2115-1
http://www.ubuntu.com/usn/USN-2114-1
http://www.ubuntu.com/usn/USN-2112-1
http://www.ubuntu.com/usn/USN-2111-1
http://www.ubuntu.com/usn/USN-2067-1
http://www.ubuntu.com/usn/USN-2066-1
http://www.openwall.com/lists/oss-security/2013/11/18/3
http://rhn.redhat.com/errata/RHSA-2013-1645.html
http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html