Dongxiang Ke e53f47f6c1 ALSA: usb-audio: Fix an out-of-bounds bug in __snd_usb_parse_audio_interface()
There may be a bad USB audio device with a USB ID of (0x04fa, 0x4201) and
the number of it's interfaces less than 4, an out-of-bounds read bug occurs
when parsing the interface descriptor for this device.

Fix this by checking the number of interfaces.

Signed-off-by: Dongxiang Ke <kdx.glider@gmail.com>
Link: https://lore.kernel.org/r/20220906024928.10951-1-kdx.glider@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2022-09-06 07:14:32 +02:00
..
2019-10-07 03:53:03 +02:00
2021-07-05 19:33:54 +02:00
2022-06-03 11:17:49 -07:00
2021-12-06 10:19:40 +01:00
2021-12-06 10:19:40 +01:00