CVE-2025-29939 - Vulnerability Details - OpenCVE

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.

Attack Vector Local

Attack Complexity Low

Privileges Required High

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact High

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.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

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-3023.html

History

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		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
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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MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:11:59.059Z

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

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

Link: CVE-2025-29939

Vulnrichment

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

NVD

Status : Awaiting Analysis

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

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

Link: CVE-2025-29939

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-284

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