ipvlan: Fix out-of-bound bugs caused by unset skb->mac_header
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 v5.19.12 by commit b583e6b25bf9321c91154f6c78d2173ef12c4241, it was introduced in version v3.19 by commit 2ad7bf3638411cb547f2823df08166c13ab04269. For more details please see the references link.