Red Hat Enterprise Linux (acl): Mehrere Schwachstellen ermöglichen Privilegieneskalation und Manipulation von Dateien
WID-SEC-2026-2453 · first 22.07.2026 · updated 29.10.2026 · CVSS 7,1
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein lokaler Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um seine Privilegien zu erhöhen und Daten zu manipulieren.
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
- seine Privilegien zu erhöhen
- Daten zu manipulieren
Am I affected?
Affected according to the BSI:
- Amazon Linux 2
- Red Hat Enterprise Linux
- Gentoo Linux
- Red Hat OpenShift Container Platform
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- Oracle Linux
- 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 RHSA-2026:42736 vom 2026-07-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:42739 vom 2026-07-21 access.redhat.com
- openSUSE Security Update OPENSUSE-SU-2026:11312-1 vom 2026-07-21 lists.opensuse.org
- Oracle Linux Security Advisory ELSA-2026-42736 vom 2026-07-22 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-42739 vom 2026-07-22 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:43420 vom 2026-07-23 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:42739 vom 2026-07-22 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:42736 vom 2026-07-22 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:44481 vom 2026-07-23 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-43420 vom 2026-07-23 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:46836 vom 2026-07-27 access.redhat.com
- Red Hat Security Advisory RHSA-2026:48151 vom 2026-07-29 access.redhat.com
- Red Hat Security Advisory RHSA-2026:50205 vom 2026-08-04 access.redhat.com
- Amazon Linux Security Advisory ALAS2-2026-3831 vom 2026-08-05 alas.aws.amazon.com
- Red Hat Security Advisory RHSA-2026:50847 vom 2026-08-05 access.redhat.com
- Red Hat Security Advisory RHSA-2026:50849 vom 2026-08-05 access.redhat.com
- Red Hat Security Advisory RHSA-2026:53371 vom 2026-08-11 access.redhat.com
- Red Hat Security Advisory RHSA-2026:54769 vom 2026-08-18 access.redhat.com
- Gentoo Linux Security Advisory GLSA-202608-20 vom 2026-08-20 security.gentoo.org
- Red Hat Security Advisory RHSA-2026:64805 vom 2026-09-08 access.redhat.com
- Red Hat Security Advisory RHSA-2026:67142 vom 2026-09-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:67144 vom 2026-09-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:67140 vom 2026-09-14 access.redhat.com
- SUSE Security Update SUSE-SU-2026:23705-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23670-1 vom 2026-09-16 lists.suse.com
and 33 more sources in the original advisory
CVE: CVE-2026-54369, CVE-2026-54370
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.