A double-free memory flaw was found in the Linux kernel. The Intel GVT-g graphics driver triggers VGA card system resource overload, causing a fail in the intel_gvt_dma_map_guest_page function. This issue could allow a local user to crash the system.
https://bugzilla.redhat.com/show_bug.cgi?id=2137979
https://lore.kernel.org/all/[email protected]/
https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html