CVEvulnerability

CVE-2022-42309

8.8 HIGH Published 2022-11-01 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-11-01
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-763

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.

Affected configurations

• xen xen • debian debian linux 11.0 • fedoraproject fedora 35 • fedoraproject fedora 36 • fedoraproject fedora 37

Related

Weakness · CWE (1)

  • CWE-763 Release of Invalid Pointer or Reference weakness

References