SB2025100167 - Use of uninitialized resource in Linux kernel arm64 kernel



SB2025100167 - Use of uninitialized resource in Linux kernel arm64 kernel

Published: October 1, 2025

Security Bulletin ID SB2025100167
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use of uninitialized resource (CVE-ID: CVE-2025-39904)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to use of uninitialized resource within the load_other_segments() function in arch/arm64/kernel/machine_kexec_file.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.