CVE-2025-29946

MEDIUM EPSS 3.8%

Published Feb 10, 20264mo ago · Modified Jun 17, 20261w ago

4.5 CVSS 4.0

Medium

Published Feb 10, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

4.5

Exploitability

—

Impact

—

Vector string

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

Attack Vector Local

Attack Complexity High

Privileges Required High

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

3.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-1301

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.