media: uvcvideo: Fix OOB read

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commit 41ebaa5e0e upstream.

If the index provided by the user is bigger than the mask size, we might do
an out of bound read.

CC: stable@kernel.org
Fixes: 40140eda66 ("media: uvcvideo: Implement mask for V4L2_CTRL_TYPE_MENU")
Reported-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Ricardo Ribalda 2023-07-20 17:46:54 +00:00 • committed by Greg Kroah-Hartman

parent d6a749e4ca

commit 09635bf4cd

1 changed files with 3 additions and 0 deletions

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drivers/media/usb/uvc/uvc_ctrl.c

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