ipv6: fix panic when forwarding a pkt with no in6 dev
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 v5.4.190 by commit ab2f5afb7af5c68389e8c7dd29e0a98fbeaaa435, it was introduced in version v5.4.136 by commit 7f4848229e91d508102b30396b8a1b710ac23637. For more details please see the references link.