CVE-2024-31142
Last modified
CVE-2024-31142 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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 . EPSS estimates a 17.44% chance of exploitation in the next 30 days.
Description
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
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | < 4.15.6 |
| Xen | Xen | >= 4.16.0, < 4.16.6 |
| Xen | Xen | >= 4.17.0, < 4.17.4 |
| Xen | Xen | >= 4.18.0, < 4.18.2 |
| Fedoraproject | Fedora | 38 |
| Fedoraproject | Fedora | 40 |
References
- https://xenbits.xenproject.org/xsa/advisory-455.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/advisory-455.htmlPatch, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5OK6MH75S7YWD34EWW7QIZTS627RIE3/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RYAZ7P6YFJ2E3FHKAGIKHWS46KYMMTZH/Mailing List, Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-455.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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