diff options
| author | Salva Peiró <speiro@ai2.upv.es> | 2013-12-17 10:06:30 +0100 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2014-05-19 07:54:08 +0200 |
| commit | 7dd522c85d315c25f5ea43e5117a3a4e4f977155 (patch) | |
| tree | 27129fe932f4fd165f14a194d1e510543217b130 /drivers | |
| parent | 7985df5a4f2b8431a831c3d4b12dff14e0efa12e (diff) | |
hamradio/yam: fix info leak in ioctl
[ Upstream commit 8e3fbf870481eb53b2d3a322d1fc395ad8b367ed ]
The yam_ioctl() code fails to initialise the cmd field
of the struct yamdrv_ioctl_cfg. Add an explicit memset(0)
before filling the structure to avoid the 4-byte info leak.
Signed-off-by: Salva Peiró <speiro@ai2.upv.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/hamradio/yam.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c index 694132e04af6..1a1002d069b9 100644 --- a/drivers/net/hamradio/yam.c +++ b/drivers/net/hamradio/yam.c @@ -1060,6 +1060,7 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) break; case SIOCYAMGCFG: + memset(&yi, 0, sizeof(yi)); yi.cfg.mask = 0xffffffff; yi.cfg.iobase = yp->iobase; yi.cfg.irq = yp->irq; |