What is CVE-2025-21738?

CVE-2025-21738 is a security advisory published by Microsoft Security Response Center (MSRC) with Medium severity. ata: libata-sff: Ensure that we cannot write outside the allocated buffer

Which CVE IDs does CVE-2025-21738 cover?

CVE-2025-21738 covers the following CVE IDs: CVE-2025-21738. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-21738?

CVE-2025-21738 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2025-21738MediumCVSS 5.5

ata: libata-sff: Ensure that we cannot write outside the allocated buffer

Vendor

Microsoft Security Response Center (MSRC)

Published

June 3, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2025-21738 →