Xen vNUMA Config Leak During Guest Destruction
CVE-2026-62429 Published on July 28, 2026
vNUMA domain cleanup may race other operations
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.
Vulnerability Analysis
CVE-2026-62429 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Race Condition Vulnerability?
The program contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.
CVE-2026-62429 has been classified to as a Race Condition vulnerability or weakness.
Products Associated with CVE-2026-62429
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