#VU115004 NULL pointer dereference in Xen - CVE-2025-27466

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Main Vulnerability Database Vulnerabilities #VU115004

#VU115004 NULL pointer dereference in Xen - CVE-2025-27466

Published: September 9, 2025


Vulnerability identifier: #VU115004
Vulnerability risk: Medium
CVSSv4.0: 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-2025-27466
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Xen
Software vendor:
Xen Project

Description

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

The vulnerability exists due to a NULL pointer dereference error when updating the reference TSC area. A malicious guest can perform a denial of service (DoS) attack against the hypervisor.



Remediation

Install updates from vendor's website.

External links