1 files changed, 5 insertions, 0 deletions

diff --git a/net/tipc/node.c b/net/tipc/node.c
index 29cc85319327..d903f560e2fd 100644
--- a/net/tipc/node.c
+++ b/net/tipc/node.c
@@ -1469,6 +1469,7 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
         int bearer_id = b->identity;
         struct tipc_link_entry *le;
         u16 bc_ack = msg_bcast_ack(hdr);
+        u32 self = tipc_own_addr(net);
         int rc = 0;
 
         __skb_queue_head_init(&xmitq);
@@ -1485,6 +1486,10 @@ void tipc_rcv(struct net *net, struct sk_buff *skb, struct tipc_bearer *b)
                         return tipc_node_bc_rcv(net, skb, bearer_id);
         }
 
+        /* Discard unicast link messages destined for another node */
+        if (unlikely(!msg_short(hdr) && (msg_destnode(hdr) != self)))
+                goto discard;
+
         /* Locate neighboring node that sent packet */
         n = tipc_node_find(net, msg_prevnode(hdr));
         if (unlikely(!n))