[PATCH 3.8 04/65] [media] media-device: fix infoleak in ioctl media_enum_entities()
Kamal Mostafa
kamal at canonical.com
Tue Jun 24 20:29:24 UTC 2014
3.8.13.25 -stable review patch. If anyone has any objections, please let me know.
------------------
From: =?UTF-8?q?Salva=20Peir=C3=B3?= <speiro at ai2.upv.es>
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 d01fcb7..e8af209 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -92,6 +92,7 @@ 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
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