In smfc_v4l2_s_selection of smfc-v4l2-ioctls.c, there is a possible way to trigger an out of bounds read from adjacent shared memory buffer…

In smfc_v4l2_s_selection of smfc-v4l2-ioctls.c, there is a possible way to trigger an out of bounds read from adjacent shared memory buffers due to an integer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.