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-rw-r--r--net/ax25/ax25_in.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/net/ax25/ax25_in.c b/net/ax25/ax25_in.c
index 0ddaff0df217..3b7d1720c2ee 100644
--- a/net/ax25/ax25_in.c
+++ b/net/ax25/ax25_in.c
@@ -451,6 +451,11 @@ int ax25_kiss_rcv(struct sk_buff *skb, struct net_device *dev,
skb->sk = NULL; /* Initially we don't know who it's for */
skb->destructor = NULL; /* Who initializes this, dammit?! */
+ if (dev->nd_net != &init_net) {
+ kfree_skb(skb);
+ return 0;
+ }
+
if ((*skb->data & 0x0F) != 0) {
kfree_skb(skb); /* Not a KISS data frame */
return 0;