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 v5.12.13 by commit 1071065eeb33d32b7d98c2ce7591881ae7381705, it was introduced in version v5.4 by commit 9d71dd0c70099914fcd063135da3c580865e924c. For more details please see the references link.