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staging: slicoss: information leak in ETHTOOL_GSET

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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
1 changed files with 1 additions and 0 deletions
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drivers/staging/slicoss/slicoss.c
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@ -3149,6 +3149,7 @@ static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
return -EFAULT; return -EFAULT;
if (ecmd.cmd == ETHTOOL_GSET) { if (ecmd.cmd == ETHTOOL_GSET) {
memset(&edata, 0, sizeof(edata));
edata.supported = (SUPPORTED_10baseT_Half | edata.supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Half |