In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF. We can remove rcu_read_lock()/rcu_read_unlock() pairs from ip6_finish_output2().
https://git.kernel.org/stable/c/11709573cc4e48dc34c80fc7ab9ce5b159e29695
https://git.kernel.org/stable/c/0393f85c3241c19ba8550f04a812e7d19f6b3082