Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.

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Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Thu, 12 Feb 2026 11:30:00 +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

Tue, 10 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 19:45:00 +0000

Type Values Removed Values Added
Description Improper access control in secure encrypted virtualization (SEV) could allow a privileged attacker to write to the reverse map page (RMP) during secure nested paging (SNP) initialization, potentially resulting in a loss of guest memory confidentiality and integrity.
Weaknesses CWE-284
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published:

Updated: 2026-02-10T20:59:47.124Z

Reserved: 2025-03-12T15:14:59.391Z

Link: CVE-2025-29939

cve-icon Vulnrichment

Updated: 2026-02-10T20:59:11.618Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:43.910

Modified: 2026-02-10T21:51:48.077

Link: CVE-2025-29939

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-12T11:19:41Z

Weaknesses