CVE-2024-49928

A flaw was found in the Linux kernel's wifi: rtw89 component. A local attacker with low privileges could exploit an out-of-bounds read vulnerability when loading TX power firmware elements. This flaw, caused by a loop reading beyond a valid memory region, may lead to information disclosure or denial of service.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

To prevent the rtw89 kernel module from loading, create a blacklist entry. This action will disable the functionality of Realtek 802.11ac wireless devices.

1. Create or edit /etc/modprobe.d/blacklist-rtw89.conf:

   echo "blacklist rtw89" | sudo tee /etc/modprobe.d/blacklist-rtw89.conf
   

2. Reboot the system for the changes to take effect:

   sudo reboot
   

This mitigation will disable any wireless functionality provided by the rtw89 driver.