CVE-2025-27463 — WinPVDrivers: Excessive permissions on user-exposed devices

CVE-2025-27463

WinPVDrivers: Excessive permissions on user-exposed devices PUBLISHED

Description (CNA)

[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 (CNA)

Vendor / product	Versions
Xen / Windows PV drivers	affected all

CWE

CWE-276

References

https://xenbits.xen.org/xsa/advisory-468.html

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.