netrom: Fix use-after-free of a listening socket.
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 v4.19.272 by commit a31caf5779ace8fa98b0d454133808e082ee7a1b, it was introduced in version v4.19.199 by commit 9619cc7d97c3aa8ed3cfd2b8678b74fb6d6c7950. For more details please see the references link.