Threat landscape
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Red Hat Enterprise Linux (libkcapi): Mehrere Schwachstellen

WID-SEC-2026-3322 · first 14.09.2026 · updated 22.10.2026 · CVSS 7,3

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What it is about

Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Ein Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux ausnutzen, um Informationen offenzulegen, Daten zu manipulieren, Speicherbeschädigungen zu verursachen oder einen Denial-of-Service-Zustand auszulösen.

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

  • Informationen offenzulegen
  • Daten zu manipulieren
  • Speicherbeschädigungen zu verursachen oder einen Denial-of-Service-Zustand auszulösen

Am I affected?

Affected according to the BSI:

  • Red Hat Enterprise Linux
  • IBM QRadar SIEM
  • RESF Rocky Linux
  • Oracle Linux
  • 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

CVE: CVE-2026-71225, CVE-2026-71226, CVE-2026-71227

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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