diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 78dd38cd5496d38f8b708996f17ce5d571599a96..0cbb44076cfa506b3223de5edf39fb10849a0af8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5811,6 +5811,8 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
 			goto discard;
 
 		if (th->syn) {
+			if (th->fin)
+				goto discard;
 			if (icsk->icsk_af_ops->conn_request(sk, skb) < 0)
 				return 1;