Commit 4b618433 authored Oct 14, 2015 by Salva Peiró Committed by Greg Kroah-Hartman Oct 16, 2015

staging/dgnc: fix info leak in ioctl

The dgnc_mgmt_ioctl() code fails to initialize the 16 _reserved bytes of
struct digi_dinfo after the ->dinfo_nboards member. Add an explicit
memset(0) before filling the structure to avoid the info leak.

Signed-off-by: Salva Peiró <speirofr@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 561e2967

drivers/staging/dgnc/dgnc_mgmt.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -110,6 +110,7 @@ long dgnc_mgmt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

		spin_lock_irqsave(&dgnc_global_lock, flags);

		memset(&ddi, 0, sizeof(ddi));
		ddi.dinfo_nboards = dgnc_NumBoards;
		sprintf(ddi.dinfo_version, "%s", DG_PART);