diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index f09316a9035f4..d67440de011e7 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -1971,6 +1971,9 @@ 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;