static int tcp_v4_init_sock(struct sock *sk)
{
	struct inet_connection_sock *icsk = inet_csk(sk);

	tcp_init_sock(sk);

	icsk->icsk_af_ops = &ipv4_specific;

#ifdef CONFIG_TCP_MD5SIG
	tcp_sk(sk)->af_specific = &tcp_sock_ipv4_specific;
#endif

	return 0;
}

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.