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Patch "[media] media/vivid-osd: fix info leak in ioctl" has been added to the 4.1-stable tree

PATCH [email protected] 1 participant 1 message Jan 27, 2016

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This is a note to let you know that I've just added the patch titled

[media] media/vivid-osd: fix info leak in ioctl

to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
media-vivid-osd-fix-info-leak-in-ioctl.patch
and it can be found in the queue-4.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From eda98796aff0d9bf41094b06811f5def3b4c333c Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Salva=20Peir=C3=B3?= <[email protected]>
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

From: =?UTF-8?q?Salva=20Peir=C3=B3?= <[email protected]>

commit eda98796aff0d9bf41094b06811f5def3b4c333c upstream.

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.

---
 drivers/media/platform/vivid/vivid-osd.c |    1 +
 1 file changed, 1 insertion(+)
drivers/media/platform/vivid/vivid-osd.c +1 -0
@@ -85,6 +85,7 @@ static int vivid_fb_ioctl(struct fb_info
 	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;

Patches currently in stable-queue which might be from [email protected] are

queue-4.1/media-vivid-osd-fix-info-leak-in-ioctl.patch