diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 1e4c76d2b8278ba71d6cc2cf7ebfe483e241f76e..842b575f8fdddc41a41aa6f03fb9086cec7ee451 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2320,6 +2320,10 @@ int tcp_disconnect(struct sock *sk, int flags)
 	tcp_set_ca_state(sk, TCP_CA_Open);
 	tcp_clear_retrans(tp);
 	inet_csk_delack_init(sk);
+	/* Initialize rcv_mss to TCP_MIN_MSS to avoid division by 0
+	 * issue in __tcp_select_window()
+	 */
+	icsk->icsk_ack.rcv_mss = TCP_MIN_MSS;
 	tcp_init_send_head(sk);
 	memset(&tp->rx_opt, 0, sizeof(tp->rx_opt));
 	__sk_dst_reset(sk);