CVE-2015-7549
The MSI-X MMIO support in hw/pci/msix.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) by leveraging failure to define the .write method.
Date published : 2017-10-30
http://www.securityfocus.com/bid/80761
http://git.qemu.org/?p=qemu.git;a=commit;h=43b11a91dd861a946b231b89b754285