Ubuntu alert USN-4351-1 (linux-firmware)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> 
Subject:
             
 
[USN-4351-1] Linux firmware vulnerability 
Date:
             
 
Wed, 6 May 2020 12:50:16 -0400
Message-ID:
             
 
<f2aeaf83-79dc-8e91-8d8e-d895d009e6ea@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4351-1
May 06, 2020

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

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://usn.ubuntu.com/4351-1
  CVE-2018-5383

Package Information:
  https://launchpad.net/ubuntu/+source/linux-firmware/1.173.18
  https://launchpad.net/ubuntu/+source/linux-firmware/1.157.23

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