Xen Hypervisor Preprocessor Directive Misplacement Enables Logic Defect
CVE-2023-46840 Published on March 20, 2024

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

NVD

Vulnerability Analysis

CVE-2023-46840 is exploitable with local system access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.

Attack Vector:
LOCAL
Attack Complexity:
HIGH
Privileges Required:
HIGH
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
NONE
Integrity Impact:
HIGH
Availability Impact:
NONE

Products Associated with CVE-2023-46840

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Citrix Xen Xen
 

Affected Versions

Xen Version consult Xen advisory XSA-450 is unknown by CVE-2023-46840

Exploit Probability

EPSS
0.07%
Percentile
22.37%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.