What is CVE-2025-21833?

CVE-2025-21833 is a security advisory published by Microsoft Security Response Center (MSRC). iommu/vt-d: Avoid use of NULL after WARN_ON_ONCE

Which CVE IDs does CVE-2025-21833 cover?

CVE-2025-21833 covers the following CVE IDs: CVE-2025-21833. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

CVE-2025-21833 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-21833CVSS 5.5

Vendor

Published

July 11, 2026

Last Modified

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