drivers/usb/core/config.c in the Linux kernel before 4.13.6 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, related to the USB_DT_INTERFACE_ASSOCIATION descriptor. Andrey Konovalov discovered that the USB subsystem in the Linux kernel did not properly validate USB interface association descriptors. A physically proximate attacker could use this to cause a denial of service (system crash).