CVE-2025-54508

Published Nov 10, 2026 CVSS 4.0 · 4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Improper Validation of Reverse Map Table Entries in AMD SEV Firmware Allows Privileged Data Integrity Loss
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
Type Values Removed Values Added
Title Improper Validation of Reverse Map Table Entries in AMD SEV Firmware Allows Privileged Data Integrity Loss
Type Values Removed Values Added
Title Privilege-Dependent Concurrent RMP Modification Leading to Data Integrity Loss in SEV Firmware
Type Values Removed Values Added
Title Privilege-Dependent Concurrent RMP Modification Leading to Data Integrity Loss in SEV Firmware
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Nov 12, 2026, 11:39 PM
Reserved
Jul 23, 2025, 3:01 PM
Status
Awaiting Analysis
Published
Nov 10, 2026, 10:17 PM
Modified
Nov 13, 2026, 12:20 AM