diff -ur linux-3.17.2-hardened-r1_orig/net/ipv6/sit.c linux-3.17.2-hardened-r1/net/ipv6/sit.c
--- linux-3.17.2-hardened-r1_orig/net/ipv6/sit.c	2014-11-16 11:27:12.100000000 +0100
+++ linux-3.17.2-hardened-r1/net/ipv6/sit.c	2014-11-16 13:32:05.180000000 +0100
@@ -500,6 +500,7 @@
 	skb_dst_drop(skb2);
 	skb_pull(skb2, ihl);
 	skb_reset_network_header(skb2);
+	skb_reset_transport_header(skb2);
 
 	rt = rt6_lookup(dev_net(skb->dev), &ipv6_hdr(skb2)->saddr, NULL, 0, 0);