diff options
author | Salva Peiró <speiro@ai2.upv.es> | 2013-12-17 10:06:30 +0100 |
---|---|---|
committer | Stefan Bader <stefan.bader@canonical.com> | 2014-05-20 16:35:07 +0200 |
commit | 1a73745c33a1a3e52bc299301f86c11483c9e6b3 (patch) | |
tree | e26b69ff9f46779145cec3ce07daa70ad8d8b870 | |
parent | 58a1a81d023dc80ccf0917934f9d5321c0e56f97 (diff) | |
download | linux-2.6.32.y-drm33.z-1a73745c33a1a3e52bc299301f86c11483c9e6b3.tar.gz |
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>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
-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 694132e04af697..1a1002d069b9d4 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; |