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.
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01313.html
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg01309.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://bugzilla.redhat.com/show_bug.cgi?id=1459477