can: j1939: fix Use-after-Free, hold skb ref while in use
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.128 by commit 22cba878abf646cd3a02ee7c8c2cef7afe66a256, it was introduced in version v5.4 by commit 9d71dd0c70099914fcd063135da3c580865e924c. For more details please see the references link.