Main Vulnerability Database Vulnerabilities #VU109853

Exposed dangerous method or function in XenIface - CVE-2025-27463

Published: May 27, 2025

Vulnerability identifier: #VU109853

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-27463

CWE-ID: CWE-749

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to exposure of various facilities to the userspace in Windows PV drivers. A local unprivileged user on the guest OS can escalate privileges within he operating system.

Affected software

XenIface
Citrix Hypervisor
Citrix XenServer

How to mitigate CVE-2025-27463

Install updates from vendor's website.

Citrix XenServer - update to 9.4.1

External References

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

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