diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index 6f91b9a306dc39e8ce91977c5485948b2ff7cde7..de63d6d41645c5b5f661a7076beb9e8f27a550aa 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;