USN-4351-1: Linux firmware vulnerability

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-firmware1.173.18
Ubuntu 16.04 LTS
linux-firmware1.157.23

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

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