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Xen Multiple Vulnerabilities

CVE-2026-42492CVE-2026-42493CVE-2026-42494CVE-2026-42495CVE-2026-62423CVE-2026-62424CVE-2026-62425CVE-2026-62426CVE-2026-62427CVE-2026-62428CVE-2026-62429

July 30, 2026 · HKCERT · Severity: HIGH

Multiple vulnerabilities have been identified in Xen, affecting various versions from at least 3.2 onwards. A remote attacker could exploit some of these vulnerabilities to trigger denial of service, elevation of privilege, security restriction bypass, and sensitive information disclosure on the targeted system.

Key Takeaways

  • Multiple vulnerabilities in Xen could allow denial of service, privilege escalation, and information disclosure.
  • Affected versions range from Xen 3.2 onwards, with specific CVEs for different versions.
  • A remote attacker could exploit these vulnerabilities to bypass security restrictions on the targeted system.
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