Description
Improper validation of Reverse Map Table (RMP) entries in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to trigger concurrent modifications to RMP entries without proper synchronization potentially resulting in loss of data integrity.
Published: 2026-11-10
Score: 4 Medium
EPSS: < 1% Very Low
KEV: No
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Remediation

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History

Wed, 11 Nov 2026 16:00:00 +0000

Type Values Removed Values Added
Title Privilege-Dependent Concurrent RMP Modification Leading to Data Integrity Loss in SEV Firmware

Wed, 11 Nov 2026 12:15:00 +0000

Type Values Removed Values Added
Title Privilege-Dependent Concurrent RMP Modification Leading to Data Integrity Loss in SEV Firmware

Tue, 10 Nov 2026 22:00:00 +0000

Type Values Removed Values Added
Description Improper validation of Reverse Map Table (RMP) entries in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to trigger concurrent modifications to RMP entries without proper synchronization potentially resulting in loss of data integrity.
Weaknesses CWE-179
References
Metrics cvssV4_0

{'score': 4, 'vector': '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'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-10T21:44:05.041Z

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

Link: CVE-2025-54508

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-10T22:17:46.807

Modified: 2026-11-10T22:17:46.807

Link: CVE-2025-54508

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-11T16:00:04Z

Weaknesses