CVE-2026-62429

vNUMA domain cleanup may race other operations

State: Published
Severity: 6.5 Medium
Published: Jul 28, 2026
Updated: Jul 28, 2026
Reserved: Jul 14, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CISA-ADP

Weaknesses

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

Affected Products

Product	Versions
XenXen	consult Xen advisory XSA-502Unknown

References

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

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