Advisory Published

USN-5183-1: BlueZ vulnerability

First published: Wed Dec 08 2021(Updated: )

Julian Rauchberger discovered that BlueZ incorrectly handled memory when processing SDP attribute requests. A remote attacker could use this issue to cause BlueZ to crash, leading to a denial of service, or possibly execute arbitrary code.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libbluetooth3<5.48-0ubuntu3.7
5.48-0ubuntu3.7
Ubuntu Linux=18.04
All of
ubuntu/bluez<5.48-0ubuntu3.7
5.48-0ubuntu3.7
Ubuntu Linux=18.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-5183-1?

    The severity of USN-5183-1 is considered to be high due to the potential for a denial of service or arbitrary code execution.

  • How do I fix USN-5183-1?

    To fix USN-5183-1, you should upgrade the affected packages to version 5.48-0ubuntu3.7 or later.

  • Which software is affected by USN-5183-1?

    USN-5183-1 affects the BlueZ and libbluetooth3 packages in Ubuntu 18.04.

  • What type of vulnerability is reported in USN-5183-1?

    USN-5183-1 reports a vulnerability related to improper memory handling during SDP attribute request processing.

  • Can USN-5183-1 lead to any security risks?

    Yes, USN-5183-1 can lead to security risks including denial of service and potential arbitrary code execution by remote attackers.

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