diff options
| author | Mathias Krause <minipli@googlemail.com> | 2012-08-15 11:31:45 +0000 |
|---|---|---|
| committer | Paul Gortmaker <paul.gortmaker@windriver.com> | 2014-02-10 16:10:49 -0500 |
| commit | b34d3db52e94795a1b92563fde8c5de1be28906e (patch) | |
| tree | eef5353322af63dfc0474e742e8503477b37d6c5 | |
| parent | 105253a4736e72ea28cffdd7143f204837b1a2e6 (diff) | |
atm: fix info leak via getsockname()
commit 3c0c5cfdcd4d69ffc4b9c0907cec99039f30a50a 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 <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
| -rw-r--r-- | net/atm/pvc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/atm/pvc.c b/net/atm/pvc.c index 437ee70c5e6..db0dd47de61 100644 --- a/net/atm/pvc.c +++ b/net/atm/pvc.c @@ -94,6 +94,7 @@ static int pvc_getname(struct socket *sock, struct sockaddr *sockaddr, return -ENOTCONN; *sockaddr_len = sizeof(struct sockaddr_atmpvc); addr = (struct sockaddr_atmpvc *)sockaddr; + memset(addr, 0, sizeof(*addr)); addr->sap_family = AF_ATMPVC; addr->sap_addr.itf = vcc->dev->number; addr->sap_addr.vpi = vcc->vpi; |