Medium severity · published Jun 9, 2026
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…
4.0
CVSS
0.1%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 2% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AE
AMD EPYC™ 8004 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9004 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ 9005 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 8004 Series Processors · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Bergamo") · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 9004 Series Processors (formerly codenamed "Genoa") · AMD
All versions, or not specified · source: vendor
AE
AMD EPYC™ Embedded 9005 Series Processors · AMD
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-54509
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-54509
www.amd.com
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3039.html
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