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.

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Fixes

Solution

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Workaround

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History

Thu, 12 Nov 2026 23:45:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 9005 Series Processors
Amd epyc Embedded 9005 Series Processors

Thu, 12 Nov 2026 19:30:00 +0000

Type Values Removed Values Added
Description 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.
Weaknesses CWE-1288
References
Metrics cvssV4_0

{'score': 5.9, 'vector': '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'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-12T19:20:24.706Z

Reserved: 2025-07-23T15:01:50.733Z

Link: CVE-2025-54507

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-12T20:18:14.030

Modified: 2026-11-12T22:18:35.610

Link: CVE-2025-54507

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T23:30:10Z

Weaknesses