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| author | Mathias Krause <minipli@googlemail.com> | 2012-08-15 11:31:45 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-02 10:29:36 -0700 |
| commit | 458ed5622e976848aacdea07d4bfcb84a350c460 (patch) | |
| tree | 863b701597e40dc811ba93d9a33c814ad7fd2496 | |
| parent | 5b26dbdd5f22871c21fc2ea4afedfe4ecad62d72 (diff) | |
| download | linux-3.10-458ed5622e976848aacdea07d4bfcb84a350c460.tar.gz linux-3.10-458ed5622e976848aacdea07d4bfcb84a350c460.tar.bz2 linux-3.10-458ed5622e976848aacdea07d4bfcb84a350c460.zip | |
atm: fix info leak via getsockname()
[ Upstream commit 3c0c5cfdcd4d69ffc4b9c0907cec99039f30a50a ]
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 3a734919c36..ae032402140 100644 --- a/net/atm/pvc.c +++ b/net/atm/pvc.c @@ -95,6 +95,7 @@ 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; |