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authorGuenter Roeck <linux@roeck-us.net>2017-08-08 15:56:21 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-08-20 15:08:34 +0300
commit7e09f7d5c790278ab98e5f2c22307ebe8ad6e8ba (patch)
tree05c3d7af47c04725012854871c244a09a6dfa3f9 /drivers/media/usb/dvb-usb/af9005.h
parentda6df1c4dcd8e7306bb3cd34c96e19e629b798c2 (diff)
downloadlinux-7e09f7d5c790278ab98e5f2c22307ebe8ad6e8ba.tar.xz
media: uvcvideo: Prevent heap overflow when accessing mapped controls
The size of uvc_control_mapping is user controlled leading to a potential heap overflow in the uvc driver. This adds a check to verify the user provided size fits within the bounds of the defined buffer size. Originally-from: Richard Simmons <rssimmo@amazon.com> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb/dvb-usb/af9005.h')
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