Exposed dangerous method or function in XenBus - CVE-2025-27464
Published: May 27, 2025
Vulnerability identifier: #VU109854
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2025-27464
CWE-ID: CWE-749
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
XenBus
XenBus
Detailed vulnerability description
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.
How to mitigate CVE-2025-27464
Install updates from vendor's website.