Description
Improper access control in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to bypass Reverse Map Table (RMP) protections, potentially impacting the integrity of Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) guest memory.
Published: 2026-11-10
Score: 5.9 Medium
EPSS: < 1% Very Low
KEV: No
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Remediation

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Tracking

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Advisories

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History

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

Type Values Removed Values Added
First Time appeared Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors
Vendors & Products Amd
Amd epyc 7003 Series Processors
Amd epyc 8004 Series Processors
Amd epyc 9004 Series Processors
Amd epyc 9005 Series Processors
Amd epyc Embedded 7003 Series Processors
Amd epyc Embedded 8004 Series Processors
Amd epyc Embedded 9004 Series Processors
Amd epyc Embedded 9005 Series Processors

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

Type Values Removed Values Added
Title AMD SEV Firmware RMP Access Control Weakness Enables Hypervisor Memory Tampering

Wed, 11 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Title AMD SEV Firmware RMP Access Control Weakness Enables Hypervisor Memory Tampering

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

Type Values Removed Values Added
Description Improper access control in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to bypass Reverse Map Table (RMP) protections, potentially impacting the integrity of Secure Encrypted Virtualization-Secure Nested Paging (SEV-SNP) guest memory.
Weaknesses CWE-1284
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 7003 Series Processors Epyc 8004 Series Processors Epyc 9004 Series Processors Epyc 9005 Series Processors Epyc Embedded 7003 Series Processors Epyc Embedded 8004 Series Processors Epyc Embedded 9004 Series Processors Epyc Embedded 9005 Series Processors
cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-11-10T21:45:16.789Z

Reserved: 2024-11-21T16:17:38.456Z

Link: CVE-2025-0027

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-11-10T22:17:44.427

Modified: 2026-11-12T16:58:33.260

Link: CVE-2025-0027

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T20:08:43Z

Weaknesses
  • CWE-1284

    Improper Validation of Specified Quantity in Input