Red Hat Enterprise Linux (iperf3): Schwachstelle ermöglicht Codeausführung
WID-SEC-2026-0258 · first 30.01.2026 · updated 18.02.2026 · CVSS 6,5
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 einen Denial-of-Service-Zustand zu verursachen oder möglicherweise beliebigen Code auszuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial-of-Service-Zustand zu verursachen oder möglicherweise beliebigen Code auszuführen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 10
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)
- Red Hat Security Advisory vom 2026-01-29 access.redhat.com
- Red Hat Security Advisory vom 2026-01-29 access.redhat.com
- Red Hat Security Advisory vom 2026-01-29 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-1595 vom 2026-01-30 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-1592 vom 2026-01-30 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:1773 vom 2026-02-03 access.redhat.com
- Red Hat Security Advisory RHSA-2026:1760 vom 2026-02-02 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:1597 vom 2026-02-03 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:1592 vom 2026-02-03 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:1882 vom 2026-02-04 access.redhat.com
- Red Hat Security Advisory RHSA-2026:1967 vom 2026-02-04 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:1595 vom 2026-02-05 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:1881 vom 2026-02-04 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2328 vom 2026-02-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2329 vom 2026-02-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2448 vom 2026-02-10 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2449 vom 2026-02-10 access.redhat.com
- SUSE Security Update SUSE-SU-2026:20311-1 vom 2026-02-13 lists.suse.com
- SUSE Security Update SUSE-SU-2026:20413-1 vom 2026-02-17 lists.suse.com
CVE: CVE-2025-54349
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.