Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/ufence: Prefetch ufence addr to catch bogus address access_ok() only checks for addr overflow so also try to read the addr to catch invalid addr sent from userspace. (cherry picked from commit 9408c4508483ffc60811e910a93d6425b8e63928).
References
https://git.kernel.org/stable/c/5d623ffbae96b23f1fc43a3d5a267aabdb07583d
https://git.kernel.org/stable/c/9c1813b3253480b30604c680026c7dc721ce86d1