Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8e3fbf87 authored by Salva Peiró's avatar Salva Peiró Committed by David S. Miller
Browse files

hamradio/yam: fix info leak in ioctl 



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: default avatarSalva Peiró <speiro@ai2.upv.es>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e9db5c21

drivers/net/hamradio/yam.c

+1 −0
Original line number Diff line number Diff line
@@ -1057,6 +1057,7 @@ 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;