[PATCH 3.5 018/103] ipv6: fix leaking uninitialized port number of offender sockaddr

From: Luis Henriques
Date: Tue Dec 17 2013 - 13:40:41 EST


3.5.7.28 -stable review patch. If anyone has any objections, please let me know.

------------------

From: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>

commit 1fa4c710b6fe7b0aac9907240291b6fe6aafc3b8 upstream.

Offenders don't have port numbers, so set it to 0.

Signed-off-by: Hannes Frederic Sowa <hannes@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
[ luis: backported to 3.5: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
---
net/ipv6/datagram.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 876739f..bbff67f 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -377,6 +377,7 @@ int ipv6_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
if (serr->ee.ee_origin != SO_EE_ORIGIN_LOCAL) {
sin->sin6_family = AF_INET6;
sin->sin6_flowinfo = 0;
+ sin->sin6_port = 0;
sin->sin6_scope_id = 0;
if (skb->protocol == htons(ETH_P_IPV6)) {
sin->sin6_addr = ipv6_hdr(skb)->saddr;
--
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/