Linux Kernel: Mehrere Schwachstellen
WID-SEC-2026-4008 · first 16.10.2026 · updated 28.10.2026 · CVSS 9,3
What it is about
Der Kernel stellt den Kern des Linux Betriebssystems dar. Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff durchzuführen oder Root-Rechte zu erlangen.
Under what conditions?
The BSI does not name any particular preconditions.
What can happen in the worst case
An attacker could use the vulnerability to
- einen Denial of Service Angriff durchzuführen oder Root-Rechte zu erlangen
Am I affected?
Affected according to the BSI:
- Debian Linux
- Nutanix AOS
- Red Hat Enterprise Linux
- Nutanix AHV
- Open Source Linux Kernel
- Nutanix Prism Central
- Nutanix Objects
- RESF Rocky Linux
- SUSE Linux
- SUSE openSUSE
- 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)
- Kernel CVE Announce Mailingliste lore.kernel.org
- Linux Kernel CVE Announcement CVE-2026-98432 lore.kernel.org
- Linux Kernel CVE Announcement CVE-2026-99999 lore.kernel.org
- The Hackernews thehackernews.com
- Oracle Linux Security Advisory ELSA-2026-500399 vom 2026-10-17 linux.oracle.com
- Debian Security Advisory DLA-4841 vom 2026-10-17 lists.debian.org
- Oracle Linux Security Advisory ELSA-2026-500398 vom 2026-10-19 linux.oracle.com
- Oracle Linux Security Advisory ELSA-2026-500397 vom 2026-10-16 linux.oracle.com
- Debian Security Advisory DSA-6568 vom 2026-10-16 security-tracker.debian.org
- PoC CVE-2026-99999 pwn.ai
- Red Hat Security Advisory RHSA-2026:85928 vom 2026-10-20 access.redhat.com
- Red Hat Security Advisory RHSA-2026:85979 vom 2026-10-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:86033 vom 2026-10-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:86089 vom 2026-10-20 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87264 vom 2026-10-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87086 vom 2026-10-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87091 vom 2026-10-22 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87822 vom 2026-10-22 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87098 vom 2026-10-21 access.redhat.com
- Red Hat Security Advisory RHSA-2026:88206 vom 2026-10-22 access.redhat.com
- Debian Security Advisory DLA-4850 vom 2026-10-22 lists.debian.org
- Red Hat Security Advisory RHSA-2026:88204 vom 2026-10-22 access.redhat.com
- Red Hat Security Advisory RHSA-2026:87821 vom 2026-10-22 access.redhat.com
- Red Hat Security Advisory RHSA-2026:89083 vom 2026-10-24 access.redhat.com
- Red Hat Security Advisory RHSA-2026:89082 vom 2026-10-24 access.redhat.com
and 15 more sources in the original advisory
CVE: CVE-2026-98432, CVE-2026-99999
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.