USN-5275-1: BlueZ vulnerability

Publication date

8 February 2022

Overview

BlueZ could be made to crash or run programs if it received specially crafted network traffic.


Packages

  • bluez - Bluetooth tools and daemons

Details

Ziming Zhang discovered that BlueZ incorrectly handled memory write operations
in its gatt server. A remote attacker could possibly use this to cause BlueZ to
crash leading to a denial of service, or potentially remotely execute code.
(CVE-2022-0204)

Ziming Zhang discovered that BlueZ incorrectly handled memory write operations
in its gatt server. A remote attacker could possibly use this to cause BlueZ to
crash leading to a denial of service, or potentially remotely execute code.
(CVE-2022-0204)

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
21.10 impish bluez –  5.60-0ubuntu2.2
libbluetooth3 –  5.60-0ubuntu2.2
20.04 focal bluez –  5.53-0ubuntu3.5
libbluetooth3 –  5.53-0ubuntu3.5
18.04 bionic bluez –  5.48-0ubuntu3.8
libbluetooth3 –  5.48-0ubuntu3.8
16.04 xenial bluez –  5.37-0ubuntu5.3+esm2  
libbluetooth3 –  5.37-0ubuntu5.3+esm2  

Reduce your security exposure

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Have additional questions?

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