sound/usb/mixer.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (snd_usb_mixer_interrupt use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device.
https://usn.ubuntu.com/3754-1/
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://groups.google.com/d/msg/syzkaller/jf7GTr_g2CU/iVlLhMciCQAJ
https://github.com/torvalds/linux/commit/124751d5e63c823092060074bd0abaae61aaa9c4