CVE-2025-54509: Medium severity AMD Input-Output Memory Management Unit (IOMMU) vulnerability
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.
Other sources
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.
— MITRE
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-54509?
CVE-2025-54509 has a medium severity rating of 4 according to the CVSS score.
How do I fix CVE-2025-54509?
Mitigation for CVE-2025-54509 involves applying the latest security updates provided by AMD for the IOMMU and secure processor.
Who is affected by CVE-2025-54509?
CVE-2025-54509 affects users and systems utilizing AMD IOMMU and AMD Secure Processor technologies.
What are the potential impacts of CVE-2025-54509?
CVE-2025-54509 could enable a privileged attacker to cause integrity loss through non-coherent accesses by the AMD secure processor.
When was CVE-2025-54509 published?
CVE-2025-54509 was published on June 9, 2026.