diff options
| author | Mathias Krause <minipli@googlemail.com> | 2012-08-15 11:31:44 +0000 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2012-09-19 15:04:50 +0100 |
| commit | 3d9e0c7f9adf3b5bbdc257d4c70ead09947cc304 (patch) | |
| tree | 00831ebea9d5536287986060da2cd773b87c2cc2 | |
| parent | 86134afa03b3d154314e81bbc874dfec66ab74c0 (diff) | |
atm: fix info leak in getsockopt(SO_ATMPVC)
[ Upstream commit e862f1a9b7df4e8196ebec45ac62295138aa3fc2 ]
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 <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
| -rw-r--r-- | net/atm/common.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/atm/common.c b/net/atm/common.c index 14ff9fe39989..0ca06e851e7c 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -784,6 +784,7 @@ 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; |