In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix error code in drm_client_buffer_vmap_local() This function accidentally returns zero/success on the failure path. It leads to locking issues and an uninitialized *map_copy in the caller.
https://git.kernel.org/stable/c/c0f412961653237f52e2f16ee8747fb330bcf074
https://git.kernel.org/stable/c/b5fbf924f125ba3638cfdc21c0515eb7e76264ca