media/vivid-osd: fix info leak in ioctl (CVE-2015-7884)
This commit is contained in:
parent
ed853af7cb
commit
b2076bbc37
|
@ -3,6 +3,7 @@ linux (4.2.5-2) UNRELEASED; urgency=medium
|
||||||
* usbvision: fix overflow of interfaces array (CVE-2015-7833)
|
* usbvision: fix overflow of interfaces array (CVE-2015-7833)
|
||||||
* RDS: fix race condition when sending a message on unbound socket
|
* RDS: fix race condition when sending a message on unbound socket
|
||||||
(CVE-2015-7990)
|
(CVE-2015-7990)
|
||||||
|
* media/vivid-osd: fix info leak in ioctl (CVE-2015-7884)
|
||||||
|
|
||||||
-- Ben Hutchings <ben@decadent.org.uk> Sun, 08 Nov 2015 14:47:40 +0000
|
-- Ben Hutchings <ben@decadent.org.uk> Sun, 08 Nov 2015 14:47:40 +0000
|
||||||
|
|
||||||
|
|
31
debian/patches/bugfix/all/media-media-vivid-osd-fix-info-leak-in-ioctl.patch
vendored
Normal file
31
debian/patches/bugfix/all/media-media-vivid-osd-fix-info-leak-in-ioctl.patch
vendored
Normal file
|
@ -0,0 +1,31 @@
|
||||||
|
From: =?UTF-8?q?Salva=20Peir=C3=B3?= <speirofr@gmail.com>
|
||||||
|
Date: Wed, 7 Oct 2015 07:09:26 -0300
|
||||||
|
Subject: [media] media/vivid-osd: fix info leak in ioctl
|
||||||
|
MIME-Version: 1.0
|
||||||
|
Content-Type: text/plain; charset=UTF-8
|
||||||
|
Content-Transfer-Encoding: 8bit
|
||||||
|
Origin: https://git.kernel.org/linus/eda98796aff0d9bf41094b06811f5def3b4c333c
|
||||||
|
|
||||||
|
The vivid_fb_ioctl() code fails to initialize the 16 _reserved bytes of
|
||||||
|
struct fb_vblank after the ->hcount 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: Hans Verkuil <hans.verkuil@cisco.com>
|
||||||
|
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
|
||||||
|
---
|
||||||
|
drivers/media/platform/vivid/vivid-osd.c | 1 +
|
||||||
|
1 file changed, 1 insertion(+)
|
||||||
|
|
||||||
|
diff --git a/drivers/media/platform/vivid/vivid-osd.c b/drivers/media/platform/vivid/vivid-osd.c
|
||||||
|
index 084d346..e15eef6 100644
|
||||||
|
--- a/drivers/media/platform/vivid/vivid-osd.c
|
||||||
|
+++ b/drivers/media/platform/vivid/vivid-osd.c
|
||||||
|
@@ -85,6 +85,7 @@ static int vivid_fb_ioctl(struct fb_info *info, unsigned cmd, unsigned long arg)
|
||||||
|
case FBIOGET_VBLANK: {
|
||||||
|
struct fb_vblank vblank;
|
||||||
|
|
||||||
|
+ memset(&vblank, 0, sizeof(vblank));
|
||||||
|
vblank.flags = FB_VBLANK_HAVE_COUNT | FB_VBLANK_HAVE_VCOUNT |
|
||||||
|
FB_VBLANK_HAVE_VSYNC;
|
||||||
|
vblank.count = 0;
|
|
@ -106,3 +106,4 @@ debian/target-fix-abi-change-in-4.2.4.patch
|
||||||
debian/signal-fix-abi-change-in-4.2.4.patch
|
debian/signal-fix-abi-change-in-4.2.4.patch
|
||||||
bugfix/all/usbvision-fix-overflow-of-interfaces-array.patch
|
bugfix/all/usbvision-fix-overflow-of-interfaces-array.patch
|
||||||
bugfix/all/rds-fix-race-condition-when-sending-a-message-on-unbound-socket.patch
|
bugfix/all/rds-fix-race-condition-when-sending-a-message-on-unbound-socket.patch
|
||||||
|
bugfix/all/media-media-vivid-osd-fix-info-leak-in-ioctl.patch
|
||||||
|
|
Loading…
Reference in New Issue