Default [Q] CM 11/ 4.4.2: USB tethering issues

Having issues when using Usb tethering on CM11/4.4.2 build roms on N9005. no problem on samsung stock (or custom) rom.
When I activate it (in 4.4.2), the phone freezes, and reboots.

Anyone else have this issue, any potential fix?

tks in advance