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Ubuntu 22.04 LTS USN-6809-1 Critical: BlueZ Memory Management Issues

ubuntu
Calendar Grey June 5, 2024
Dist Ubuntu Esm H88
Ubuntu has fixed critical BlueZ vulnerabilities; apply updates quickly and implement mitigation strategies to secure your systems against potential threats
Several security issues were fixed in BlueZ.

Summary

Several security issues were fixed in BlueZ.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions software issue memory management BlueZ

Update Instructions

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

Ubuntu 22.04 LTS
   bluez                           5.64-0ubuntu1.3
   bluez-tests                     5.64-0ubuntu1.3
   libbluetooth3                   5.64-0ubuntu1.3

Ubuntu 20.04 LTS
   bluez                           5.53-0ubuntu3.8
   libbluetooth3                   5.53-0ubuntu3.8

Ubuntu 18.04 LTS
   bluez                           5.48-0ubuntu3.9+esm2
                                   Available with Ubuntu Pro
   libbluetooth3                   5.48-0ubuntu3.9+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   bluez                           5.37-0ubuntu5.3+esm4
                                   Available with Ubuntu Pro
   libbluetooth3                   5.37-0ubuntu5.3+esm4
                                   Available with Ubuntu Pro

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

References

  https://ubuntu.com/security/notices/USN-6809-1

  CVE-2022-3563, CVE-2023-27349

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6809-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu update instructions software issue memory management BlueZ

Package Information

  https://launchpad.net/ubuntu/+source/bluez/5.64-0ubuntu1.3
  https://launchpad.net/ubuntu/+source/bluez/5.53-0ubuntu3.8

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