Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact High

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00152.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
AMD AMD EPYC™ 9005 Series Processors affected
Version Status Constraints
TurinPI_1.0.0.A unaffected —
AMD AMD EPYC™ Embedded 9005 Series Processors affected
Version Status Constraints
EmbeddedTurinPI_SP5_1004 unaffected —

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3037.html cve-icon cve-icon
History

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

Type Values Removed Values Added
Title SEV Firmware Overlap Handling Allows RMP Misconfiguration and Integrity Loss

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

Type Values Removed Values Added
Description Improper handling of overlap between protected memory ranges in the Secure Encrypted Virtualization (SEV) firmware could allow a privileged attacker to cause misconfigurations in the RMP potentially resulting in loss of integrity.
Weaknesses CWE-1260
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: 2026-11-10T21:44:16.757Z

Reserved: 2025-07-23T15:01:50.732Z

Link: CVE-2025-54503

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-10T22:17:46.317

Modified: 2026-11-10T22:17:46.317

Link: CVE-2025-54503

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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

Weaknesses