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-rw-r--r--net/ipv6/ip6_output.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index fd7cd1b..871bdec 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -498,7 +498,8 @@ int ip6_forward(struct sk_buff *skb)
int addrtype = ipv6_addr_type(&hdr->saddr);
/* This check is security critical. */
- if (addrtype & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK))
+ if (addrtype == IPV6_ADDR_ANY ||
+ addrtype & (IPV6_ADDR_MULTICAST | IPV6_ADDR_LOOPBACK))
goto error;
if (addrtype & IPV6_ADDR_LINKLOCAL) {
icmpv6_send(skb, ICMPV6_DEST_UNREACH,
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