The usbhid_parse function in drivers/hid/usbhid/hid-core.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (out-of-bounds read 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/CxkJ9QZgwlM/O3IOvAaGAwAJ
https://github.com/torvalds/linux/commit/f043bfc98c193c284e2cd768fefabe18ac2fed9b