CVE-2025-12131 Truncated 802.15.4 packet leads to denial of service

A truncated 802.15.4 packet can lead to an assert, resulting in a denial of service...

kernel: NULL pointer dereference in llsec_key_alloc() in net/mac802154/llsec.c

A NULL pointer dereference flaw was found in the Linux kernel’s IEEE 802.15.4 wireless networking subsystem in the way the user closes the LR-WPAN connection. This flaw allows a local user to crash the system. The highest threat from this vulnerability is to system availability...