ipmr,ip6mr: acquire RTNL before calling ip[6]mrfreetable() on failure path
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 v4.19.230 by commit 12b6703e9546902c56b4b9048b893ad49d62bdd4, it was introduced in version v4.0 by commit f243e5a7859a24d10975afb9a1708cac624ba6f1. For more details please see the references link.