diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 45b8bca..a7f18a3 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3543,6 +3543,12 @@
 		asconf_ack = sctp_assoc_lookup_asconf_ack(asoc, hdr->serial);
 		if (!asconf_ack)
 			return SCTP_DISPOSITION_DISCARD;
+
+		/* Reset the transport so that we select the correct one
+		 * this time around.  This is to make sure that we don't
+		 * accidentally use a stale transport that's been removed.
+		 */
+		asconf_ack->transport = NULL;
 	} else {
 		/* ADDIP 5.2 E5) Otherwise, the ASCONF Chunk is discarded since
 		 * it must be either a stale packet or from an attacker.