CVE-2022-42326
- State
- Published
- Severity
- 5.5 Medium
- Published
- Nov 1, 2022
- Updated
- May 5, 2025
- Reserved
- Oct 3, 2022
Description
Xenstore: Guests can create arbitrary number of nodes via transactions T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] In case a node has been created in a transaction and it is later deleted in the same transaction, the transaction will be terminated with an error. As this error is encountered only when handling the deleted node at transaction finalization, the transaction will have been performed partially and without updating the accounting information. This will enable a malicious guest to create arbitrary number of nodes.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | CISA-ADP |
Weaknesses
- CWE-401 Missing Release of Memory after Effective Lifetime
Affected Products
| Product | Versions |
|---|---|
xenXen |
|
References
- https://xenbits.xenproject.org/xsa/advisory-421.txt
- http://xenbits.xen.org/xsa/advisory-421.html
- [oss-security] 20221101 Xen Security Advisory 421 v2 (CVE-2022-42325,CVE-2022-42326) - Xenstore: Guests can create arbitrary number of nodes via transactionsmailing-list
- DSA-5272vendor-advisory
- FEDORA-2022-07438e12dfvendor-advisory
- FEDORA-2022-99af00f60evendor-advisory
- FEDORA-2022-9f51d13fa3vendor-advisory
- GLSA-202402-07vendor-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.