CVE-2023-46840

MEDIUM

Published Mar 20, 2024 Modified Jan 13, 2026 CWE-670

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.

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CVSS v3.1 Score

4.1

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-670 CWE-670

Affected Products

Vendor	Product	Versions
xen	xen	>= 4.17
fedoraproject	fedora	All

References

Advisories & Patches

https://xenbits.xenproject.org/xsa/advisory-450.html http://xenbits.xen.org/xsa/advisory-450.html https://xenbits.xenproject.org/xsa/advisory-450.html

Other References

https://lists.fedoraproject.org/archives/list/[email protected]/message/XLL6SQ6IKFYXLYWITYZCRV5IBRK5G35R/

Frequently Asked Questions

What is CVE-2023-46840? +

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. It has a CVSS v3.1 base score of 4.1 (MEDIUM).

How severe is CVE-2023-46840? +

CVE-2023-46840 has a CVSS v3.1 score of 4.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2023-46840? +

CVE-2023-46840 affects products from fedoraproject, xen, specifically: fedora, xen. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-46840? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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