CVE-2022-42326
CVSS V2 None
CVSS V3 Medium 5.5
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.
Overview
- CVE ID
- CVE-2022-42326
- Assigner
- security@xen.org
- Vulnerability Status
- Analyzed
- Published Version
- 2022-11-01T13:15:12
- Last Modified Date
- 2022-11-29T18:29:39
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* | 1 | OR | 4.9.0 | |
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- HIGH
- Base Score
- 5.5
- Base Severity
- MEDIUM
- Exploitability Score
- 1.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| http://www.openwall.com/lists/oss-security/2022/11/01/11 | Mailing List Patch Third Party Advisory |
| http://xenbits.xen.org/xsa/advisory-421.html | Patch Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YTMITQBGC23MSDHUCAPCVGLMVXIBXQTQ/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YZVXG7OOOXCX6VIPEMLFDPIPUTFAYWPE/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZLI2NPNEH7CNJO3VZGQNOI4M4EWLNKPZ/ | Mailing List Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5272 | Third Party Advisory |
| https://xenbits.xenproject.org/xsa/advisory-421.txt | Patch Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2022-42326 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42326 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-11-01 14:00:19 | Added to TrackCVE | |||
| 2022-12-07 16:01:04 | 2022-11-01T13:15Z | 2022-11-01T13:15:12 | CVE Published Date | updated |
| 2022-12-07 16:01:04 | 2022-11-29T18:29:39 | CVE Modified Date | updated | |
| 2022-12-07 16:01:04 | Analyzed | Vulnerability Status | updated | |
| 2022-12-07 16:01:48 | References | updated |