Red Hat Enterprise Linux (pcp): Mehrere Schwachstellen
WID-SEC-2026-2868 · first 17.08.2026 · updated 02.10.2026 · CVSS 8,8
What it is about
Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux (pcp) ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um Sicherheitsvorkehrungen zu umgehen, und um einen Denial of Service Angriff durchzuführen.
Under what conditions?
The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
- seine Privilegien zu erhöhen
- Sicherheitsvorkehrungen zu umgehen
- einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Amazon Linux 2
- Red Hat Enterprise Linux
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- Oracle Linux
- Red Hat Enterprise Linux 8
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-2026:55560 vom 2026-08-16 access.redhat.com
- Amazon Linux Security Advisory ALAS2-2026-3857 vom 2026-08-18 alas.aws.amazon.com
- Red Hat Security Advisory RHSA-2026:55740 vom 2026-08-18 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:55740 vom 2026-08-18 errata.build.resf.org
- Red Hat Security Advisory RHSA-2026:55617 vom 2026-08-18 access.redhat.com
- Rocky Linux Security Advisory RLSA-2026:55560 vom 2026-08-18 errata.build.resf.org
- Oracle Linux Security Advisory ELSA-2026-55617 vom 2026-08-18 oss.oracle.com
- Oracle Linux Security Advisory ELSA-2026-55560 vom 2026-08-19 linux.oracle.com
- Rocky Linux Security Advisory RLSA-2026:55617 vom 2026-08-18 errata.build.resf.org
- Oracle Linux Security Advisory ELSA-2026-55740 vom 2026-08-20 linux.oracle.com
- SUSE Security Update SUSE-SU-2026:23174-1 vom 2026-08-21 lists.suse.com
- openSUSE Security Update OPENSUSE-SU-2026:21636-1 vom 2026-08-27 lists.opensuse.org
- SUSE Security Update SUSE-SU-2026:23277-1 vom 2026-08-30 lists.suse.com
- SUSE Security Update SUSE-SU-2026:23316-1 vom 2026-09-10 lists.suse.com
- Red Hat Security Advisory RHSA-2026:72272 vom 2026-09-28 access.redhat.com
- Red Hat Security Advisory RHSA-2026:72273 vom 2026-09-28 access.redhat.com
- Red Hat Security Advisory RHSA-2026:72593 vom 2026-09-28 access.redhat.com
- Red Hat Security Advisory RHSA-2026:72594 vom 2026-09-28 access.redhat.com
- Red Hat Security Advisory RHSA-2026:73767 vom 2026-10-01 access.redhat.com
- Red Hat Security Advisory RHSA-2026:74613 vom 2026-10-01 access.redhat.com
- Red Hat Security Advisory RHSA-2026:74612 vom 2026-10-01 access.redhat.com
CVE: CVE-2026-16524, CVE-2026-16526, CVE-2026-16527, CVE-2026-16529
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.