[3.13.y.z extended stable] Patch "[media] media-device: fix infoleak in ioctl media_enum_entities()" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    [media] media-device: fix infoleak in ioctl media_enum_entities()

to the linux-3.13.y-queue branch of the 3.13.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.13.y-queue

This patch is scheduled to be released in version 3.13.11.4.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.13.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From c2e3d91b2f85dd93b68353662ce8108faf082308 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Salva=20Peir=C3=B3?= <speiro at ai2.upv.es>
Date: Wed, 30 Apr 2014 19:48:02 +0200
Subject: [media] media-device: fix infoleak in ioctl media_enum_entities()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

commit e6a623460e5fc960ac3ee9f946d3106233fd28d8 upstream.

This fixes CVE-2014-1739.

Signed-off-by: Salva Peiró <speiro at ai2.upv.es>
Acked-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab at samsung.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/media/media-device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index d5a7a13..703560f 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -93,6 +93,7 @@ static long media_device_enum_entities(struct media_device *mdev,
 	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;

--
1.9.1