CVE-2023-46840

VT-d: Failure to quarantine devices in !HVM builds

State: Published
Severity: 4.1 Medium
Published: Mar 20, 2024
Updated: Nov 4, 2025
Reserved: Oct 27, 2023

Description

Incorrect placement of a preprocessor directive in source code results in logic that doesn't operate as intended when support for HVM guests is compiled out of Xen.

Scores

CVSS	Score	Vector	Source
3.1	4.1 Medium	CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N	CISA-ADP

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
XenXen	consult Xen advisory XSA-450Unknown

References

https://xenbits.xenproject.org/xsa/advisory-450.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XLL6SQ6IKFYXLYWITYZCRV5IBRK5G35R/
http://xenbits.xen.org/xsa/advisory-450.html

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