CVE-2025-29946 - Vulnerability Details - OpenCVE

Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.

Attack Vector Local

Attack Complexity High

Privileges Required High

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

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.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Amd	Epyc 9005 Series Processors Epyc Embedded 9005 Series Processors

No data.

No data.

References

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

History

Thu, 12 Feb 2026 11:30:00 +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

Tue, 10 Feb 2026 22:15:00 +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		Insufficient or Incomplete Data Removal in Hardware Component in SEV firmware doesn't fully flush IOMMU. This can potentially lead to a loss of confidentiality and integrity in guest memory.
Weaknesses		CWE-1301
References		https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html
Metrics		cvssV4_0 `{'score': 4.5, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:15:57.179Z

Updated: 2026-02-10T21:42:14.335Z

Reserved: 2025-03-12T15:15:04.910Z

Link: CVE-2025-29946

Vulnrichment

Updated: 2026-02-10T21:42:10.413Z

NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:44.057

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

Link: CVE-2025-29946

Redhat

No data.

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