Red Hat Enterprise Linux (Keylime): Schwachstelle ermöglicht Erlangen von Administratorrechten
WID-SEC-2026-0339 · first 09.02.2026 · updated 02.04.2026 · CVSS 9,4
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 die Authentifizierung zu umgehen und unbefugte administrative Aktionen durchzuführen.
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
- die Authentifizierung zu umgehen
- unbefugte administrative Aktionen durchzuführen
Am I affected?
Affected according to the BSI:
- Red Hat Enterprise Linux
- Fedora Linux
- SUSE Linux
- Oracle Linux
- RESF Rocky Linux
- 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 2026-02-08 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2224 vom 2026-02-09 access.redhat.com
- Red Hat Security Advisory RHSA-2026:2298 vom 2026-02-09 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-2224 vom 2026-02-10 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-2225 vom 2026-02-10 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:2225 vom 2026-02-11 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:2224 vom 2026-02-13 errata.build.resf.org
- Fedora Security Advisory FEDORA-2026-C2B5451B35 vom 2026-02-18 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-E5027335A3 vom 2026-02-18 bodhi.fedoraproject.org
- Fedora Security Advisory FEDORA-2026-2B8B223CF0 vom 2026-02-18 bodhi.fedoraproject.org
- SUSE Security Update SUSE-SU-2026:20912-1 vom 2026-04-01 lists.suse.com
CVE: CVE-2026-1709
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.