Re: Ubuntu RT2X00 WIFI USB Driver Kernel NULL pointer Dereference&Use-After-Free Vulnerability

LidongLI
2024-08-06T02:34:56Z

Dear Greg,

Here is a scenario where udev rules are necessary. They can be used to automatically execute a series of configuration and security operations when a wireless network adapter is inserted, ensuring the stability and security of the system. An example is as follows:

# 1. Create a udev rules file
sudo nano /etc/udev/rules.d/99-custom-usb.rules

# 2. Add the following content to the file, replacing idVendor and idProduct with actual values
SUBSYSTEM=="usb", ATTR{idVendor}=="148f", ATTR{idProduct}=="3070", MODE="0666", RUN+="/path/to/custom/script.sh"

# 3. Example of a custom script
# Create a script file
sudo nano /path/to/custom/script.sh

# Add custom commands to the script file
#!/bin/bash
# Example commands
iwconfig wlan0 essid "MyNetwork"
ifconfig wlan0 up
dhclient wlan0