CVE-2025-54509NVD

Vulnerability Summary

Improper access control for register interface in the Input-Output Memory Management Unit (IOMMU) could allow a privileged attacker to cause non-coherent accesses by the AMD Secure Processor (ASP), potentially resulting in loss of integrity.

Severity Level

MEDIUM(4.0)

Published Date

Jun 9, 2026

Last Modified

Jul 23, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.13%Probability

Root Weakness (CWE)

CWE-1262: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 4.0 (MEDIUM)

Attack VectorLocal

Attack ComplexityLow

Attack RequirementsPresent

Privileges RequiredHigh

User InteractionNone

Confidentiality (Vulnerable System)None

Integrity (Vulnerable System)None

Availability (Vulnerable System)None

Confidentiality (Subsequent System)None

Integrity (Subsequent System)High

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

Not provided by cveorg for this CVE.

Patched Versions

Not provided by cveorg for this CVE.

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