A vulnerability, which was classified as very critical, has been found in Linux Kernel up to 7.1.2. This vulnerability affects the function
llsec_do_encrypt_unauth/llsec_do_encrypt_auth/llsec_do_decrypt_unauth/llsec_do_decrypt_auth of the component mac802154. Performing a manipulation results in use after free.
This vulnerability was named CVE-2026-63831. The attack may be initiated remotely. There is no available exploit.
