CVE-2025-29946

MEDIUM

AMD EPYC 9005 Series Processors - Insufficient Data Removal in SEV Firmware IOMMU

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory

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

Scores

CVSS v4 4.5

EPSS 0.0014

EPSS Percentile 3.8%

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-1301

Status published

Products (2)

AMD/AMD EPYC™ 9005 Series Processors TurinPI 1.0.0.6

AMD/AMD EPYC™ Embedded 9005 Series Processors EmbTurinPI-SP5_1.0.0.1

Published Feb 10, 2026

Tracked Since Feb 18, 2026