Description: can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER) References: Notes: carnil> Introduced in 9d71dd0c70099 ("can: add support of SAE J1939 protocol"). carnil> Vulnerable versions: 5.4-rc1. Bugs: upstream: released (6.8-rc5) [efe7cf828039aedb297c1f9920b638fffee6aabc] 6.7-upstream-stable: released (6.7.6) [fc74b9cb789cae061bbca7b203a3842e059f6b5d] 6.6-upstream-stable: released (6.6.18) [f84e7534457dcd7835be743517c35378bb4e7c50] 6.1-upstream-stable: released (6.1.79) [4dd684d4bb3cd5454e0bf6e2a1bdfbd5c9c872ed] 5.10-upstream-stable: released (5.10.210) [978e50ef8c38dc71bd14d1b0143d554ff5d188ba] 4.19-upstream-stable: N/A "Vulnerable code not present" sid: released (6.7.7-1) 6.1-bookworm-security: released (6.1.82-1) 5.10-bullseye-security: needed 4.19-buster-security: N/A "Vulnerable code not present"