Threat landscape
high

Red Hat Enterprise Linux: Mehrere Schwachstellen

WID-SEC-2023-2853 · first 08.11.2023 · updated 14.10.2026 · CVSS 9,8

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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 einen Denial-of-Service-Zustand herbeizuführen, Sicherheitsmaßnahmen zu umgehen, seine Privilegien zu erweitern, vertrauliche Informationen offenzulegen oder beliebigen Code auszuführen.

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

  • einen Denial-of-Service-Zustand herbeizuführen
  • Sicherheitsmaßnahmen zu umgehen
  • seine Privilegien zu erweitern
  • vertrauliche Informationen offenzulegen oder beliebigen Code auszuführen

Am I affected?

Affected according to the BSI:

  • Open Source CentOS
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • NetApp ActiveIQ Unified Manager
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

and 4 more

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

  • Red Hat OpenShift Data Foundation 4.12.10
  • Meinberg LANTIME 7.08.007
  • IBM Security Verify Access 10.0.9.1

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 48 more sources in the original advisory

CVE: CVE-2021-32142, CVE-2021-43618, CVE-2022-23527, CVE-2022-40898, CVE-2022-48468, CVE-2023-1672, CVE-2023-1786, CVE-2023-22745, CVE-2023-26767, CVE-2023-26768, CVE-2023-26769, CVE-2023-28100, CVE-2023-28101, CVE-2023-28370, CVE-2023-28625, CVE-2023-29499, CVE-2023-31486, CVE-2023-32611, CVE-2023-32665, CVE-2023-33204 …

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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