CVE-2025-54508

MediumCVSS 4.0/10Last modified Nov 12, 2026

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.

Metrics

CVSS 4.0 4.0/10CVSS:4.0/AV:L/AC:L/AT:P/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

Weakness enumeration

CWE-179

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
AMDAMD EPYC™ 9005 Series Processors—
AMDAMD EPYC™ Embedded 9005 Series Processors—

References

Timeline

Published
Nov 10, 2026
Last modified
Nov 12, 2026
NVD status
Awaiting Analysis

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CVE-2025-54508: Medium severity, CVSS 4.0 | Vulnix