Threat landscape
high

Linux Kernel: Mehrere Schwachstellen

WID-SEC-2026-3579 · first 25.09.2026 · updated 29.10.2026 · CVSS 8,4

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What it is about

Der Kernel stellt den Kern des Linux Betriebssystems dar. Ein lokaler Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Zustand herbeizuführen oder nicht näher spezifizierten Angriff durchzuführen.

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

  • einen Denial of Service Zustand herbeizuführen oder nicht näher spezifizierten Angriff durchzuführen

Am I affected?

Affected according to the BSI:

  • Debian Linux
  • Red Hat Enterprise Linux
  • RESF Rocky Linux
  • SUSE Linux
  • SUSE openSUSE
  • Ubuntu Linux
  • Oracle Linux
  • Open Source Linux Kernel

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

and 293 more sources in the original advisory

CVE: CVE-2026-97545, CVE-2026-97546, CVE-2026-97547, CVE-2026-97548, CVE-2026-97549, CVE-2026-97550, CVE-2026-97551, CVE-2026-97552, CVE-2026-97553, CVE-2026-97554, CVE-2026-97555, CVE-2026-97556, CVE-2026-97557, CVE-2026-97558, CVE-2026-97559, CVE-2026-97560, CVE-2026-97561, CVE-2026-97562, CVE-2026-97563, CVE-2026-97564 …

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.

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