diff options
| author | Mathias Krause <minipli@googlemail.com> | 2012-08-15 11:31:44 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-02 10:29:35 -0700 |
| commit | 5b26dbdd5f22871c21fc2ea4afedfe4ecad62d72 (patch) | |
| tree | 879879858bb2508f4285b0d1eae2b25e4c51a7a1 /net/atm | |
| parent | 84a2d3c44cce71152f3555af83bafea6ec5ef23c (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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/atm')
| -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 b4b44dbed645..0c0ad930a632 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -812,6 +812,7 @@ 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; |