# CVE-2025-54507: CVE-2025-54507

Status: published. Published: 2026-11-12. Updated: 2026-11-13.

Improper validation of consistency within input in AMD SEV (Secure Encrypted Virtualization) firmware could allow an attacker with administrative privileges to create multiple RMP entries for the same guest physical address, potentially resulting in loss of guest integrity.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- AMD / AMD EPYC™ 9005 Series Processors: TurinPI_1.0.0.8 (unaffected). Source: CNA: AMD
- AMD / AMD EPYC™ Embedded 9005 Series Processors: EmbeddedTurinPI_SP5_1004 (unaffected). Source: CNA: AMD

## Severity and prioritization

- CVSS 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; source: CNA: AMD

- CVSS 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:X; source: NVD: psirt@amd.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-1288

## Exploit evidence

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

## References

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3058.html (CNA: AMD)

- https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3058.html (psirt@amd.com)

## Provenance

- CNA: AMD: https://www.cve.org/CVERecord?id=CVE-2025-54507; retrieved 2026-11-13; source updated 2026-11-13

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-54507; retrieved 2026-11-13; source updated 2026-11-12

Revision: 452f32f79d9d713bd7af887779143930fce45012344284a71ab65c72511b440f

Canonical: https://y2.dev/cve/CVE-2025-54507

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