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.
| Software | From | Fixed in |
|---|---|---|
| linux / linux_kernel | - | 4.16.4 |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |