xfrm: Update ipcomp_scratches with NULL when freed
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 v4.19.262 by commit 1e8abde895b3ac6a368cbdb372e8800c49e73a28. For more details please see the references link.