CVE-2024-21953

medium

Description

Improper input validation in IOMMU could allow a malicious hypervisor to reconfigure IOMMU registers resulting in loss of guest data integrity.

References

https://www.amd.com/en/resources/product-security/bulletin/Emb-Auto.html

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

Details

Source: Mitre, NVD

Published: 2026-02-10

Updated: 2026-02-10

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

CVSS v4

Base 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

Severity: Medium

EPSS

EPSS: 0.00026