virglrenderer is vulnerable to arbitrary code execution. A heap-based buffer overflow in the vrend_renderer_transfer_write_iov
function in vrend_renderer.c
allows guest OS users to cause a denial of service condition and execute arbitrary code via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
access.redhat.com/security/cve/cve-2019-18391
bugzilla.redhat.com/show_bug.cgi?id=1765589
gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
lists.debian.org/debian-lts-announce/2022/12/msg00017.html