staging: slicoss: information leak in ETHTOOL_GSET

There are some fields in "edata" which have not been cleared.  One
example is edata.cmd.  It leaks uninitialized stack information to the
user.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2013-04-04 09:29:42 +03:00 committed by Greg Kroah-Hartman
parent 69c1440e86
commit 986d758435

View File

@ -3149,6 +3149,7 @@ static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return -EFAULT;
if (ecmd.cmd == ETHTOOL_GSET) {
memset(&edata, 0, sizeof(edata));
edata.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |