What’s Vulnerable › Vulnerabilities

CVE-2026-62429: vNUMA domain cleanup may race other operations

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-28 · updated 2026-07-28
• Weakness: CWE-362

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.

References

• 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

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