Vulnerability record · CVE-2024-31142 · published 16 May 2024

CVE-2024-31142: Xen vulnerability

Xen · Xen

Because of a logical error in XSA-407 (Branch Type Confusion), the mitigation is not applied properly when it is intended to be used. XSA-434 (Speculative Return Stack Overflow) uses the same infrastructure, so is equally impacted. For more details, see: https://xenbits.xen.org/xsa/advisory-407.html https://xenbits.xen.org/xsa/advisory-434.html

7.5 CVSS 3.1 High EPSS 17% · top 3.0% CWE-693 · CWE-693

7.5CVSS 3.1 base score

17%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

5References

17 Jun 2026Last modified by NVD

Description

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Fedora Fedoraproject

Xen Xen

References

Link	Tags
https://xenbits.xenproject.org/xsa/advisory-455.html	PatchVendor Advisory
http://xenbits.xen.org/xsa/advisory-455.html	PatchVendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/D5OK6MH75S7YWD34EWW7QIZTS	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/RYAZ7P6YFJ2E3FHKAGIKHWS46	Mailing ListThird Party Advisory
https://xenbits.xenproject.org/xsa/advisory-455.html	PatchVendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-31142), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.