]> git.itanic.dy.fi Git - linux-stable/commit
wanxl: fix info leak in ioctl
authorSalva Peiró <speiro@ai2.upv.es>
Wed, 16 Oct 2013 10:46:50 +0000 (12:46 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 4 Nov 2013 12:31:04 +0000 (04:31 -0800)
commit8ffb77d881734108a750acb7fb2625643f924bc5
treecb7ccf45395eddb82e052e20fbcb35cb793b5dd2
parentc69ee66768490b30127bc496921a3603c9366a10
wanxl: fix info leak in ioctl

[ Upstream commit 2b13d06c9584b4eb773f1e80bbaedab9a1c344e1 ]

The wanxl_ioctl() code fails to initialize the two padding bytes of
struct sync_serial_settings after the ->loopback member. Add an explicit
memset(0) before filling the structure to avoid the info leak.

Signed-off-by: Salva Peiró <speiro@ai2.upv.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wan/wanxl.c