diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index ce2636db9b1021d6a7b2de6c92223dfeb18af09c..7d26d0cb207afb02223f454b5a46b5b9ed316f86 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -1975,6 +1975,9 @@ static void tipc_crypto_rcv_complete(struct net *net, struct tipc_aead *aead,
 	/* Ok, everything's fine, try to synch own keys according to peers' */
 	tipc_crypto_key_synch(rx, *skb);
 
+	/* Re-fetch skb cb as skb might be changed in tipc_msg_validate */
+	skb_cb = TIPC_SKB_CB(*skb);
+
 	/* Mark skb decrypted */
 	skb_cb->decrypted = 1;