CVE-2023-46840

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

Published Mar 20, 2024 CVSS 3.1 · 4.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Workaround

There is no mitigation.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Fedoraproject
Fedoraproject fedora
Weaknesses CWE-670
CPEs cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*
Vendors & Products Fedoraproject
Fedoraproject fedora
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 4.1, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
XEN
Published
Updated
Nov 4, 2025, 6:18 PM
Reserved
Oct 27, 2023, 7:55 AM
Status
Analyzed
Published
Mar 20, 2024, 11:15 AM
Modified
Jun 17, 2026, 6:31 AM