CVE-2022-42310
Last modified
CVE-2022-42310 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.. EPSS estimates a 0.26% chance of exploitation in the next 30 days.
Description
Xenstore: Guests can create orphaned Xenstore nodes By creating multiple nodes inside a transaction resulting in an error, a malicious guest can create orphaned nodes in the Xenstore data base, as the cleanup after the error will not remove all nodes already created. When the transaction is committed after this situation, nodes without a valid parent can be made permanent in the data base.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | >= 4.9.0, < 4.13.0 |
| Debian | Debian Linux | 11.0 |
| Fedoraproject | Fedora | 35 |
| Fedoraproject | Fedora | 36 |
| Fedoraproject | Fedora | 37 |
References
- http://www.openwall.com/lists/oss-security/2022/11/01/5Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-415.htmlPatch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5272Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-415.txtThird Party Advisory
- http://www.openwall.com/lists/oss-security/2022/11/01/5Mailing List, Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-415.htmlPatch, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5272Third Party Advisory
- https://xenbits.xenproject.org/xsa/advisory-415.txtThird Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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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