CVE-2023-46840 — MEDIUM (4.1)

Vulnerability 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.

CVSS Score

4.1

MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Xen	Xen	>= 4.17
Fedoraproject	Fedora	39

Related Weaknesses (CWE)

CWE-670

References

https://xenbits.xenproject.org/xsa/advisory-450.htmlPatchVendor Advisory
http://xenbits.xen.org/xsa/advisory-450.htmlPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]Mailing ListThird Party Advisory
https://xenbits.xenproject.org/xsa/advisory-450.htmlPatchVendor Advisory

FAQ

What is CVE-2023-46840?

CVE-2023-46840 is a vulnerability with a CVSS score of 4.1 (MEDIUM). 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.

How severe is CVE-2023-46840?

CVE-2023-46840 has been rated MEDIUM with a CVSS base score of 4.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-46840?

Check the references section above for vendor advisories and patch information. Affected products include: Xen Xen, Fedoraproject Fedora.