Input validation error in Xen - CVE-2025-58146

 

Input validation error in Xen - CVE-2025-58146

Published: September 9, 2025


Vulnerability identifier: #VU115009
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/E:U/U:Green
CVE-ID: CVE-2025-58146
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Xen Project
Affected software:
Xen

Detailed vulnerability description

The vulnerability allows a malicious guest to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of XAPI UTF-8 string. A malicious guest can pass specially crafted input to the application and perform a denial of service (DoS) attack.


How to mitigate CVE-2025-58146

Install updates from vendor's website.

Sources