Integer overflow in the VGA module in QEMU allows local guest OS users to cause a denial of service (out-of-bounds read and QEMU process crash) by editing VGA registers in VBE mode.
rhn.redhat.com/errata/RHSA-2016-2585.html
rhn.redhat.com/errata/RHSA-2017-0621.html
support.citrix.com/article/CTX212736
www.debian.org/security/2016/dsa-3573
www.openwall.com/lists/oss-security/2016/05/09/4
www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
www.securityfocus.com/bid/90314
www.securitytracker.com/id/1035794
www.ubuntu.com/usn/USN-2974-1
xenbits.xen.org/xsa/advisory-179.html
lists.gnu.org/archive/html/qemu-devel/2016-05/msg01196.html