CVE-2026-62429

Severity CVSS v4.0:

Pending analysis

Type:

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Publication date:

28/07/2026

Last modified:

28/07/2026

Description

Accessing the vNUMA configuration data of a guest is still possible when<br /> domain destruction has already started. The cleaning up of that<br /> configuration information is not synchronized with its retrieval by a<br /> device model controlling the guest.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x

6.50

Severity 3.x

MEDIUM

References to Advisories, Solutions, and Tools

https://xenbits.xenproject.org/xsa/advisory-502.html
http://www.openwall.com/lists/oss-security/2026/07/28/18
http://xenbits.xen.org/xsa/advisory-502.html