CVE-2022-50536

CVE-2022-50536 affects the Linux kernel’s BPF sockmap path. In tcp_bpf_send_verdict() redirection, the eval variable is set to __SK_REDIRECT after sending apply_bytes data; if msg.has_more_data, sock_put() can be called multiple times, risking a use-after-free via refcount misuse. The issue is fi...