Off-by-one error in the cmd_smart function in the smart self test in hw/ide/core.c in QEMU before 2.0 allows local users to have unspecified impact via a SMART EXECUTE OFFLINE command that triggers a buffer underflow and memory corruption.
rhn.redhat.com/errata/RHSA-2014-0704.html
rhn.redhat.com/errata/RHSA-2014-0743.html
rhn.redhat.com/errata/RHSA-2014-0744.html
secunia.com/advisories/57945
secunia.com/advisories/58191
www.openwall.com/lists/oss-security/2014/04/15/4
www.openwall.com/lists/oss-security/2014/04/18/5
www.securityfocus.com/bid/66932
www.ubuntu.com/usn/USN-2182-1
lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02016.html
lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02095.html
lists.nongnu.org/archive/html/qemu-devel/2014-04/msg02152.html