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.
Published: 2026-11-10
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 13 Nov 2026 00:30:00 +0000

Type Values Removed Values Added
Title Improper Handling of Overlapping Protected Memory Ranges in SEV Firmware Leading to Integrity Loss

Thu, 12 Nov 2026 20:15:00 +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 06:30:00 +0000

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

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'}


Subscriptions

Amd Epyc 9005 Series Processors Epyc Embedded 9005 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-12T23:38:33.197Z

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

Link: CVE-2025-54503

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

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

Modified: 2026-11-13T00:20:04.830

Link: CVE-2025-54503

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-13T00:15:11Z

Weaknesses
  • CWE-1260

    Improper Handling of Overlap Between Protected Memory Ranges