CVE-2022-42309

 

Published at: - 01-11-2022 02:15

Last modified: - 24-11-2022 04:15

Total changes: - 5

Description

Xenstore: Guests can crash xenstored Due to a bug in the fix of XSA-115 a malicious guest can cause xenstored to use a wrong pointer during node creation in an error path, resulting in a crash of xenstored or a memory corruption in xenstored causing further damage. Entering the error path can be controlled by the guest e.g. by exceeding the quota value of maximum nodes per domain.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

 

Verification logic

 

Reference

• https://xenbits.xenproject.org/xsa/advisory-414.txt
• http://xenbits.xen.org/xsa/advisory-414.html
• [oss-security] 20221101 Xen Security Advisory 414 v2 (CVE-2022-42309) - Xenstore: Guests can crash xenstored-Mailing List, Third Party Advisory
• DSA-5272-Third Party Advisory
• FEDORA-2022-07438e12df-Mailing List, Third Party Advisory
• FEDORA-2022-99af00f60e-Mailing List, Third Party Advisory
• FEDORA-2022-9f51d13fa3-

 

Keywords

NVD

 

CVE-2022-42309

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures