Red Hat Enterprise Linux (attr): Schwachstelle ermöglicht Privilegieneskalation
WID-SEC-2026-2920 · first 19.08.2026 · updated 29.10.2026 · 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 (attr) ausnutzen, um seine Privilegien zu erhöhen.
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
Am I affected?
Affected according to the BSI:
- Gentoo Linux
- IBM MQ Operator
- Red Hat Enterprise Linux
- RESF Rocky Linux
- SUSE Linux
- Ubuntu Linux
- Oracle Linux
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-2026:56133 vom 2026-08-18 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:56133 vom 2026-08-19 errata.build.resf.org
- Gentoo Linux Security Advisory GLSA-202608-20 vom 2026-08-20 security.gentoo.org
- Oracle Linux Security Advisory ELSA-2026-56133 vom 2026-08-20 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-59380 vom 2026-08-26 linux.oracle.com
- Red Hat Security Advisory RHSA-2026:59380 vom 2026-08-25 access.redhat.com
- Red Hat Security Advisory RHSA-2026:60226 vom 2026-08-26 access.redhat.com
- Oracle Linux Security Advisory ELSA-2026-60226 vom 2026-08-27 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:59380 vom 2026-08-26 errata.build.resf.org
- Rocky Linux Security Advisory RLSA-2026:60226 vom 2026-08-27 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:61783 vom 2026-09-01 access.redhat.com
- Ubuntu Security Notice USN-8691-1 vom 2026-08-31 ubuntu.com
- SUSE Security Update SUSE-SU-2026:23726-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23705-1 vom 2026-09-16 lists.suse.com
- SUSE Security Update SUSE-SU-2026:4176-1 vom 2026-09-16 lists.suse.com
- Red Hat Security Advisory RHSA-2026:68276 vom 2026-09-16 access.redhat.com
- SUSE Security Update SUSE-SU-2026:23670-1 vom 2026-09-16 lists.suse.com
- IBM Security Bulletin 7289064 vom 2026-09-23 www.ibm.com
- Red Hat Security Advisory RHSA-2026:81201 vom 2026-10-12 access.redhat.com
- Red Hat Security Advisory RHSA-2026:82888 vom 2026-10-14 access.redhat.com
- Red Hat Security Advisory RHSA-2026:91001 vom 2026-10-27 access.redhat.com
CVE: CVE-2026-54371
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.