QEMU (aka Quick Emulator) built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It could occur while reading Interrupt Mask Registers (IMR). A privileged (CAP_SYS_RAWIO) guest user could use this flaw to crash the QEMU process instance resulting in DoS.
git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=c6048f849c7e3f009786df76206e895
www.debian.org/security/2016/dsa-3471
www.openwall.com/lists/oss-security/2016/01/04/4
www.openwall.com/lists/oss-security/2016/01/04/7
www.securityfocus.com/bid/79822
www.securitytracker.com/id/1034575
bugzilla.redhat.com/show_bug.cgi?id=1270876
security.gentoo.org/glsa/201602-01