Memory leak in the ehci_process_itd function in hw/usb/hcd-ehci.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (memory consumption) via a large number of crafted buffer page select (PG) indexes.
https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg06609.html
http://www.securityfocus.com/bid/93454
http://www.openwall.com/lists/oss-security/2016/10/08/4
http://www.openwall.com/lists/oss-security/2016/10/07/3
http://lists.opensuse.org/opensuse-updates/2016-12/msg00140.html
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=b16c129daf0fed91febbb88de23dae8271c8898a