The usb_serial_console_disconnect function in drivers/usb/serial/console.c in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device, related to disconnection and failed setup.
Exploitability
AV:PAC:LPR:LUI:NScope
S:UImpact
C:HI:HA:H6.6/CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H