In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereference in smc_pnet_find_ib() dev_name() was called with dev.parent as argument but without to NULL-check it before. Solve this by checking the pointer before the call to dev_name().
https://git.kernel.org/stable/c/d22f4f977236f97e01255a80bca2ea93a8094fc8
https://git.kernel.org/stable/c/a05f5e26cb8bb4d07e0595545fcad1bb406f0085
https://git.kernel.org/stable/c/3a523807f01455fe9a0c1a433f27cd4411ee400f
https://git.kernel.org/stable/c/35b91e49bc80ca944a8679c3b139ddaf2f8eea0f
https://git.kernel.org/stable/c/22025513ced3d599ee8b24169141c95cf2467a4a