An issue was discovered in the Linux kernel before 4.20.2. An out-of-bounds access exists in the function build_audio_procunit in the file sound/usb/mixer.c.
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4351a199cc120ff9d59e06d02e8657d08e6cc46
- https://github.com/ARPSyndicate/cvemon