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CVE record · CVE-2025-54509

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), p…

CVSS 4.0 MediumEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: AMD) at 9 Jun 2026, 17:22 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
AMD AMD EPYC™ 9004 Series Processors
  • unaffected GenoaPI_1.0.0.H
Other versions: affected
AMD AMD EPYC™ 9005 Series Processors
  • unaffected TurinPI_1.0.0.8
Other versions: affected
AMD AMD EPYC™ 8004 Series Processors
  • unaffected GenoaPI_1.0.0.H
Other versions: affected
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa")
  • unaffected EmbGenoaPI-SP5 1.0.0.D
Other versions: affected
AMD AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo")
  • unaffected EmbGenoaPI-SP5 1.0.0.D
Other versions: affected
AMD AMD EPYC™ Embedded 8004 Series Processors
  • unaffected EmbGenoaPI-SP5 1.0.0.D
Other versions: affected
AMD AMD EPYC™ Embedded 9005 Series Processors
  • unaffected EmbeddedTurinPI_SP5_1004
Other versions: affected
Identifiers
CVE-2025-54509
CNA
AMD
Weakness (CWE)
CWE-1262
Tags
Published
9 Jun 2026
Updated
23 Jul 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
4.0 Medium 4.0 CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N CNA (AMD)
  • CISA KEV Not listed.
  • EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 9 Jun 2026. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.