Out-of-bounds read in Xen - CVE-2025-58150

 

Out-of-bounds read in Xen - CVE-2025-58150

Published: January 27, 2026


Vulnerability identifier: #VU122070
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-58150
CWE-ID: CWE-125
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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in Xen with shadow paging + tracing on x86 systems. An HVM guests running in shadow paging mode can trigger an out-of-bounds read error and read contents of memory on the system.


How to mitigate CVE-2025-58150

Install updates from vendor's website.

Sources