Public vulnerability disclosure

CVE-2025-54504

CVE-2025-54504

publishedCWE-1220

Insufficient Granularity of Access Control in AMD Secure Encrypted Virtualization (SEV) firmware could allow an attacker with administrative privileges attacker to write to a trusted region used by AMD Secure Encrypted Virtualization-Encrypted State (SEV-ES), potentially resulting in loss of integrity.

Technical severity5.9 mediumCVSS 4.0 · CNA: AMD
Published2026-11-10Source updated 2026-11-13
Collected2026-11-143 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
AMD EPYC™ 9005 Series Processors
AMD
TurinPI_1.0.0.A (unaffected)
Other versions: affected
CNA: AMD
AMD EPYC™ Embedded 9005 Series Processors
AMD
EmbeddedTurinPI_SP5_1004 (unaffected)
Other versions: affected
CNA: AMD

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.9
medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:NCNA: AMD
4.0 / 5.9
medium
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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