In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always drain health in shutdown callback There is no point in recovery during device shutdown. if health work started need to wait for it to avoid races and NULL pointer access. Hence, drain health WQ on shutdown callback.
https://git.kernel.org/stable/c/6b6c2ebd83f2bf97e8f221479372aaca97a4a9b2
https://git.kernel.org/stable/c/6048dec754554a1303d632be6042d3feb3295285
https://git.kernel.org/stable/c/1b75da22ed1e6171e261bc9265370162553d5393