In the Linux kernel, the following vulnerability has been resolved:Revert "media: v4l2-ctrls: show all owned controls in log_status"This reverts commit 9801b5b28c6929139d6fceeee8d739cc67bb2739.This patch introduced a potential deadlock scenario:[Wed May 8 10:02:06 2024] Possible unsafe locking scenario:[Wed May 8 10:02:06 2024] CPU0 CPU1[Wed May 8 10:02:06 2024] ---- ----[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1620:(hdl_vid_cap)->_lock);[Wed May 8 10:02:06 2024] lock(vivid_ctrls:1608:(hdl_user_vid)->_lock);For now just revert.
No PoCs from references.
- https://github.com/fkie-cad/nvd-json-data-feeds