can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
JIRA: https://issues.redhat.com/browse/RHEL-31532
CVE: CVE-2023-52637
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
Signed-off-by: Jose Ignacio Tornos Martinez jtornosm@redhat.com