CVE-2025-29948 - Vulnerability Details - OpenCVE

Improper access control in AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to bypass RMP protections, potentially resulting in a loss of SEV-SNP guest memory 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.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

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

History

Wed, 11 Feb 2026 15:15:00 +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 AMD Secure Encrypted Virtualization (SEV) firmware could allow a malicious hypervisor to bypass RMP protections, potentially resulting in a loss of SEV-SNP guest memory integrity.
Weaknesses		CWE-1260
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
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'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:07:53.130Z

Updated: 2026-02-11T15:08:46.377Z

Reserved: 2025-03-12T15:15:04.911Z

Link: CVE-2025-29948

Vulnrichment

Updated: 2026-02-11T15:08:39.472Z

NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:44.197

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

Link: CVE-2025-29948

Redhat

No data.

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