{"api_version":"1","generated_at":"2026-07-30T02:41:30+00:00","cve":"CVE-2026-62427","urls":{"html":"https://cve.report/CVE-2026-62427","api":"https://cve.report/api/cve/CVE-2026-62427.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-62427","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-62427"},"summary":{"title":"sysctl and platform-op locks open to abuse","description":"[This CNA information record relates to multiple CVEs; the\ntext explains which aspects/vulnerabilities correspond to which CVE.]\n\nTo manage the system, sysctl and platform operations are used by the\ncontrol domain or a possible Xenstore domain.  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Some of these operations\nmay not be executed in parallel, so a system-wide lock each is used.\nThe way those locks are acquired is, however, not providing any fairness.\nFurthermore, with XSM/Flask in use, the lock acquire will, for some\noperations, occur ahead of any permission checking.\n\nThe sysctl issue is CVE-2026-62426.\n\nThe platform-op issue is CVE-2026-62427.","Type":"Description","Title":"sysctl and platform-op locks open to abuse"}]}}}