bluez: Schwachstelle ermöglicht Codeausführung
WID-SEC-2023-3086 · first 08.12.2023 · updated 15.01.2026 · CVSS 8,8
What it is about
BlueZ ist ein Protokollstack für den Bluetooth-Funkstandard für Linux. Ein Angreifer in Funk-Reichweite kann eine Schwachstelle in bluez ausnutzen, um beliebigen Programmcode auszuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Amazon Linux 2
- Red Hat Enterprise Linux
- Fedora Linux
- SUSE Linux
- Oracle Linux
- Gentoo Linux
- Ubuntu Linux
- IGEL OS
- Open Source bluez
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- GitHub skysafe/reblog vom 2023-12-07 github.com
- Red Hat Bugtracker #2253391 vom 2023-12-07 bugzilla.redhat.com
- Ubuntu Security Notice USN-6540-1 vom 2023-12-07 ubuntu.com
- Fedora Security Advisory vom 2023-12-07 bodhi.fedoraproject.org
- Fedora Security Advisory vom 2023-12-07 bodhi.fedoraproject.org
- Debian Security Advisory DLA-3689 vom 2023-12-15 lists.debian.org
- IGEL Security Notice ISN-2023-36 vom 2023-12-19 kb.igel.com
- Debian Security Advisory DSA-5584 vom 2023-12-22 www.debian.org
- Gentoo Linux Security Advisory GLSA-202401-03 vom 2024-01-05 security.gentoo.org
- Amazon Linux Security Advisory ALAS-2024-2386 vom 2024-01-10 alas.aws.amazon.com
- Red Hat Security Advisory RHSA-2024:9413 vom 2024-11-12 access.redhat.com
- Red Hat Security Advisory RHSA-2024:11154 vom 2024-12-17 access.redhat.com
- Oracle Linux Security Advisory ELSA-2024-11154 vom 2024-12-18 linux.oracle.com
- SUSE Security Update SUSE-SU-2025:03269-1 vom 2025-09-18 lists.suse.com
- SUSE Security Update SUSE-SU-2025:03277-1 vom 2025-09-19 lists.suse.com
- SUSE Security Update SUSE-SU-2025:03590-1 vom 2025-10-13 lists.suse.com
- SUSE Security Update SUSE-SU-2025:20804-1 vom 2025-10-14 lists.suse.com
- SUSE Security Update SUSE-SU-2026:20041-1 vom 2026-01-15 lists.suse.com
CVE: CVE-2023-45866
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.