#VU117433 Out-of-bounds read in Xen - CVE-2025-58148
Published: October 21, 2025
Vulnerability identifier: #VU117433
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-58148
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Xen
Xen
Software vendor:
Xen Project
Xen Project
Description
The vulnerability allows a malicious guest to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the send_ipi() function. A malicious guest can initiate hypercalls using any input format to trigger an out-of-bounds read error and read contents of memory on the hypervisor.
Remediation
Install updates from vendor's website.