From: Mathias Krause <mini...@googlemail.com>
-------------------
This is a commit scheduled for the next v2.6.34 longterm release.
http://git.kernel.org/?p=linux/kernel/git/paulg/longterm-queue-2.6.34.git
If you see a problem with using this for longterm, please comment.
-------------------
commit e862f1a9b7df4e8196ebec45ac62295138aa3fc2 upstream.
The ATM code fails to initialize the two padding bytes of struct
sockaddr_atmpvc inserted for alignment. Add an explicit memset(0)
before filling the structure to avoid the info leak.
Signed-off-by: Mathias Krause <mini...@googlemail.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Paul Gortmaker <paul.gortma...@windriver.com>
---
net/atm/common.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/atm/common.c b/net/atm/common.c
index 97ed94aa0cbc..ec2cb8f3c8d9 100644
--- a/net/atm/common.c
+++ b/net/atm/common.c
@@ -759,6 +759,7 @@ int vcc_getsockopt(struct socket *sock, int level, int
optname,
if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags))
return -ENOTCONN;
+ memset(&pvc, 0, sizeof(pvc));
pvc.sap_family = AF_ATMPVC;
pvc.sap_addr.itf = vcc->dev->number;
pvc.sap_addr.vpi = vcc->vpi;
--
1.8.5.2
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