Red Hat Enterprise Linux (libnbd): Schwachstelle ermöglicht Man-in-the-middle-Bedingung
WID-SEC-2024-2179 · first 19.09.2024 · updated 27.03.2026 · CVSS 7,4
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein entfernter anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um eine Man-in-the-middle-Situation zu schaffen.
Under what conditions?
Over the network.
What can happen in the worst case
An attacker could use the vulnerability to
- eine Man-in-the-middle-Situation zu schaffen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Oracle Linux
- Red Hat Enterprise Linux 9
- RESF Rocky Linux
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux libnbd <1.20.2
- Red Hat Enterprise Linux libnbd <1.18.5
- Red Hat Enterprise Linux libnbd <1.21.1
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Red Hat Enterprise Linux libnbd 1.20.2
- Red Hat Enterprise Linux libnbd 1.18.5
- Red Hat Enterprise Linux libnbd 1.21.1
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)
- Red Hat Security Advisory vom 2024-09-18 access.redhat.com
- Oracle Linux Security Advisory ELSA-2024-6757 vom 2024-09-20 linux.oracle.com
- Red Hat Security Advisory RHSA-2024:6964 vom 2024-09-24 access.redhat.com
- Oracle Linux Security Advisory ELSA-2024-6964 vom 2024-09-26 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2024:6757 vom 2024-09-30 errata.build.resf.org
- Oracle Linux Security Advisory ELSA-2025-12527 vom 2025-08-05 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-5578 vom 2026-03-26 linux.oracle.com
CVE: CVE-2024-7383
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.