USN-4351-1: Linux firmware vulnerability
linux-firmware vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
Summary
The system could be made to expose sensitive information.
Software Description
- linux-firmware – Firmware for Linux kernel drivers
Details
Eli Biham and Lior Neumann discovered that certain Bluetooth devices
incorrectly validated key exchange parameters. An attacker could possibly
use this issue to obtain sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 18.04 LTS
- linux-firmware – 1.173.18
- Ubuntu 16.04 LTS
- linux-firmware – 1.157.23
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system update you need to reboot your computer to make
all the necessary changes.
References
Source: USN-4351-1: Linux firmware vulnerability
