CyUSB Suite For Linux version 1.0.5 from EZ-USB FX3 SDK 1.3.4 for Linux doesn't detect any devices: form "List of devices" is empty.
Note: VID=03c3 PID=120a for ZWO ASI120MM USB2
Before to go further :
Do you know Datyson t7 camera ?
It' s a clone of asi120 (same drivers...)
Inside you will find almost the same chips
Its below 100$ on eBay / Ali