static void tcp_seq_stop(struct seq_file *seq, void *v)
{
	struct tcp_iter_state *st = seq->private;

	switch (st->state) {
	case TCP_SEQ_STATE_LISTENING:
		if (v != SEQ_START_TOKEN)
			spin_unlock_bh(&tcp_hashinfo.listening_hash[st->bucket].lock);
		break;
	case TCP_SEQ_STATE_ESTABLISHED:
		if (v)
			spin_unlock_bh(inet_ehash_lockp(&tcp_hashinfo, st->bucket));
		break;
	}
}

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