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(parent: f3ce845) | patch
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 12:23:41 +0000 (04:23 -0800)
commit79379b9694d7067f41035a551a7493760092fc48
tree571b539faad8f0da462f14660fc73d42bac5e4c6tree | snapshot
parentf3ce845cfe494296db847559b521706802f6eae0commit | diff
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 diff | blob | history
Domain: System / Kernel;