CVE-2023-54284

CVE-2023-54284 : Linux kernel vulnerability in the media/av7110 path. The issue arises from underflow-prone length calculation in write_ts_to_decoder(), where buf[4] is user-controlled via ts_play(). The intended final length passed to av7110_ipack_instant_repack() is computed as len - (buf[4] + ...

CVE-2023-54284 media: av7110: prevent underflow in write_ts_to_decoder()

In the Linux kernel, the following vulnerability has been resolved: media: av7110: prevent underflow in writetstodecoder The buf4 value comes from the user via tsplay. It is a value in the u8 range. The final length we pass to av7110ipackinstantrepack is "len - buf4 + 1 - 4" so add a check to...