What it is about

Red Hat Enterprise Linux (RHEL) ist eine populäre Linux-Distribution. Red Hat OpenShift ist eine "Platform as a Service" (PaaS) Lösung zur Bereitstellung von Applikationen in der Cloud. Ein lokaler Angreifer kann mehrere Schwachstellen in Red Hat Enterprise Linux und Red Hat OpenShift ausnutzen, um Sicherheitsvorkehrungen zu umgehen und einen Denial of Service herbeizuführen.

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

• Sicherheitsvorkehrungen zu umgehen
• einen Denial of Service herbeizuführen

Am I affected?

Affected according to the BSI:

• Google Container-Optimized OS
• Google Cloud Platform
• Red Hat Enterprise Linux
• Ubuntu Linux
• SUSE Linux
• Oracle Linux
• SUSE openSUSE
• RESF Rocky Linux
• Red Hat OpenShift Container Platform 4
• Red Hat Enterprise Linux 9
• Red Hat Enterprise Linux 8
• Red Hat Enterprise Linux 10

and 6 more

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

What helps?

Update to at least:

• Docker Desktop 4.53.0
• Red Hat OpenShift Container Platform 4.16.55
• Dell NetWorker vProxy 19.14
• Red Hat OpenShift Container Platform 4.18.34
• Red Hat OpenShift Container Platform 4.12.87

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.