ax25: Fix NULL pointer dereferences in ax25 timers
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 v5.17.2 by commit a45dba71849a963c427637b3330e2ccf098f42d1, it was introduced in version v5.17 by commit 7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10. For more details please see the references link.