Ubuntu 6415 Published by

A BlueZ security update has been released for Ubuntu Linux 18.04 LTS and 20.04 LTS.

Ubuntu Security Notice USN-5481-1
June 15, 2022

bluez vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS


Several security issues were fixed in BlueZ.

Software Description:
- bluez: Bluetooth tools and daemons


It was discovered that BlueZ incorrectly validated certain capabilities
and lengths when handling the A2DP profile. A remote attacker could use
this issue to cause BlueZ to crash, resulting in a denial of service, or
possibly execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
bluez 5.53-0ubuntu3.6
libbluetooth3 5.53-0ubuntu3.6

Ubuntu 18.04 LTS:
bluez 5.48-0ubuntu3.9
libbluetooth3 5.48-0ubuntu3.9

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


Package Information: