SB2025090953 - Two vulnerabilities in Xen on ARM systems 

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Main Vulnerability Database SB2025090953

SB2025090953 - Two vulnerabilities in Xen on ARM systems

Published: September 9, 2025

Security Bulletin ID SB2025090953
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2025-58144)

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 mapping pages belonging to other domains. A malicious guest can perform a denial of service (DoS) attack.

Note, the vulnerability affects ARM-based systems.


2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2025-58145)

The vulnerability allows a malicious guest to gain access to sensitive information.

The vulnerability exists due to incorrect implementation of the P2M lock when obtaining page references. A malicious guest can gain access to sensitive information and escalate privileges on the hypervisor. 

Note, the vulnerability affects ARM-based systems.


Remediation

Install update from vendor's website.

References