QEMU (aka Quick Emulator), when built with MegaRAID SAS 8708EM2 Host Bus Adapter emulation support, allows local guest OS privileged users to cause a denial of service (NULL pointer dereference and QEMU process crash) via vectors involving megasas command processing.
www.openwall.com/lists/oss-security/2017/06/08/1
www.securityfocus.com/bid/99010
bugzilla.redhat.com/show_bug.cgi?id=1459477
lists.debian.org/debian-lts-announce/2018/09/msg00007.html
lists.debian.org/debian-lts-announce/2020/07/msg00020.html
lists.gnu.org/archive/html/qemu-devel/2017-06/msg01309.html
lists.gnu.org/archive/html/qemu-devel/2017-06/msg01313.html