CVE-2023-46840 VT-d: Failure to quarantine devices in !HVM builds

2024-03-2010:40:18

XEN

github.com

cve-2023-46840

vt-d

failure

quarantine devices

non-hvm builds

preprocessor

xen

AI Score

7.4

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

JSON

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.

CNA Affected

[
  {
    "vendor": "Xen",
    "product": "Xen",
    "versions": [
      {
        "status": "unknown",
        "version": "consult Xen advisory XSA-450"
      }
    ],
    "defaultStatus": "unknown"
  }
]