CVE-2019-14763: Canonical Ubuntu Linux

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

In the Linux kernel before 4.16.4, a double-locking error in drivers/usb/dwc3/gadget.c may potentially cause a deadlock with f_hid.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only
• Linux Linux Kernel: before 4.16.4 (fixed in 4.16.4)

Published 2019-08-07. Last modified 2026-06-17.