🛡️ CVE-2022-42326
🟡 CVSS 5.5 — Medium ✅ No Known Exploit CWE-401 NVD
5.5
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity MEDIUM
CVSS Score 5.5
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE CWE-401
Public Exploit ✅ No
Source NVD
Published 2022-11-01
Updated 2026-06-08
Modified 2025-05-05

Affected Packages

Software From version Fixed in
debian-linux — —
fedora — —
xen 4.9.0 —

References

Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/01/11
Mailing List, Patch, Third Party Advisory http://www.openwall.com/lists/oss-security/2022/11/01/11

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