CVE-2021-47237

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: fix memory leak in mkissclose My local syzbot instance hit memory leak in mkissopen1. The problem was in missing freenetdev in mkissclose. In mkissopen netdevice is allocated and then registered, but in mkissclose...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: hamradio: improve the incomplete fix to avoid NPD The previous commit 3e0588c291d6 "hamradio: defer ax25 kfree after unregisternetdev" reorder the kfree operations and unregisternetdev operation to prevent UAF. This commit improv...