Red Hat Enterprise Linux (keylime): Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
WID-SEC-2026-2049 · first 24.06.2026 · updated 17.07.2026 · CVSS 6,3
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein lokaler Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux (keylime) ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Under what conditions?
Only with access to the device or an account on it. Often the second step after a phishing email.
What can happen in the worst case
An attacker could use the vulnerability to
- Sicherheitsvorkehrungen zu umgehen
Am I affected?
Affected according to the BSI:
- SUSE Linux
- RESF Rocky Linux
- Red Hat Enterprise Linux <10
- Oracle Linux
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 10
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 RHSA-2026:28582 vom 2026-06-23 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:28582 vom 2026-06-25 errata.build.resf.org
- SUSE Security Update SUSE-SU-2026:22326-1 vom 2026-07-01 lists.suse.com
- Oracle Linux Security Advisory ELSA-2026-28582 vom 2026-07-17 linux.oracle.com
CVE: CVE-2026-6420
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.