USN-6809-1: BlueZ vulnerabilities

Publication date

5 June 2024

Overview

Several security issues were fixed in BlueZ.


Packages

  • bluez - Bluetooth tools and daemons

Details

It was discovered that BlueZ could be made to dereference invalid memory.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3563)

It was discovered that BlueZ could be made to write out of bounds. If a
user were tricked into connecting to a malicious device, an attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code. (CVE-2023-27349)

It was discovered that BlueZ could be made to dereference invalid memory.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 22.04 LTS. (CVE-2022-3563)

It was discovered that BlueZ could be made to write out of bounds. If a
user were tricked into connecting to a malicious device, an attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code. (CVE-2023-27349)

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy bluez –  5.64-0ubuntu1.3
bluez-tests –  5.64-0ubuntu1.3
libbluetooth3 –  5.64-0ubuntu1.3
20.04 focal bluez –  5.53-0ubuntu3.8
libbluetooth3 –  5.53-0ubuntu3.8
18.04 bionic bluez –  5.48-0ubuntu3.9+esm2  
libbluetooth3 –  5.48-0ubuntu3.9+esm2  
16.04 xenial bluez –  5.37-0ubuntu5.3+esm4  
libbluetooth3 –  5.37-0ubuntu5.3+esm4  

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