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Date:	Sat, 07 Jun 2014 02:26:29 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:	akpm@...ux-foundation.org,
	"Laurent Pinchart" <laurent.pinchart@...asonboard.com>,
	"Salva Peiró" <speiro@....upv.es>,
	"Mauro Carvalho Chehab" <m.chehab@...sung.com>
Subject: [PATCH 3.2 44/92] [media] media-device: fix infoleak in ioctl
 media_enum_entities()

3.2.60-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Salva Peiró <speiro@....upv.es>

commit e6a623460e5fc960ac3ee9f946d3106233fd28d8 upstream.

This fixes CVE-2014-1739.

Signed-off-by: Salva Peiró <speiro@....upv.es>
Acked-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@...sung.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/media/media-device.c | 1 +
 1 file changed, 1 insertion(+)

--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -90,6 +90,7 @@ static long media_device_enum_entities(s
 	struct media_entity *ent;
 	struct media_entity_desc u_ent;
 
+	memset(&u_ent, 0, sizeof(u_ent));
 	if (copy_from_user(&u_ent.id, &uent->id, sizeof(u_ent.id)))
 		return -EFAULT;
 

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