Nvidia Cumulus Linux: Mehrere Schwachstellen ermöglichen Privilegieneskalation
WID-SEC-2026-0483 · first 24.02.2026 · updated 25.02.2026 · CVSS 8,0
What it is about
Cumulus Linux ist ein auf Debian Linux basierendes Betriebssystem für Netzwerkkomponenten. Ein Angreifer kann mehrere Schwachstellen in Nvidia Cumulus Linux ausnutzen, um seine Privilegien zu erhöhen.
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
- seine Privilegien zu erhöhen
Am I affected?
Affected according to the BSI:
- Nvidia Cumulus Linux GA <5.14
- Nvidia Cumulus Linux LTS <5.11.4
- Nvidia Cumulus Linux LTS <5.9.4
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Update to at least:
- Nvidia Cumulus Linux GA 5.14
- Nvidia Cumulus Linux LTS 5.11.4
- Nvidia Cumulus Linux LTS 5.9.4
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)
- NVIDIA Security Bulletin vom 2026-02-23 nvidia.custhelp.com
CVE: CVE-2025-33179, CVE-2025-33180, CVE-2025-33181
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.