1. usb_modeswitch, usb_modeswitch-data
2. libusb1
3. libusb-devel(Fedora), libusb-dev(Debian based)

By default, your linux box would register your Huawei E8372 as a Mass Storage device and not (somehow) as a modem. First, make sure you have the exace same device we're talking about. This can be confirmed by looking at 2 values. Give the following command (while the dongle is plugged in):

    sudo su
    lsusb | grep Huawei