A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the ProcXkbSetGeometry function due to improper validation of the request length.
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/938
https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/939
https://www.zerodayinitiative.com/advisories/ZDI-22-964/
https://lists.freedesktop.org/archives/xorg-announce/2022-July/003192.html