CVE-2023-54142

CVE-2023-54142 affects the Linux kernel gtp: use-after-free in __gtp_encap_destroy(). The issue arises when releasing a socket with sk_user_data after the final reference is dropped, leading to use-after-free as reported by syzkaller. A patch (commit e198987e7dd7) titled “gtp: fix suspicious RCU ...