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CVE PROGRAM SOURCE RECORD9.4 Critical

CVE-2025-27463

WinPVDrivers: Excessive permissions on user-exposed devices

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Status
Published
Published
Updated
Assigning organization
XEN

Description

[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The Windows PV drivers expose various facilities to userspace. Several of these have no security descriptor, and are therefore fully accessible to unprivileged users. These are: 1. XenCons, CVE-2025-27462 2. XenIface, CVE-2025-27463 3. XenBus, CVE-2025-27464

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Xen Windows PV drivers

Default version status: unaffected

  • allaffected

References