SB2025121271 - openEuler 20.03 LTS SP4 update for grub2



SB2025121271 - openEuler 20.03 LTS SP4 update for grub2

Published: December 12, 2025

Security Bulletin ID SB2025121271
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical 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-after-free (CVE-ID: CVE-2025-61664)

The vulnerability allows an attacker to perform a denial of service attack.

The vulnerability exists due to a use-after-free error when the normal_exit command is invoked after the normal module unload. An attacker with physical access to the system can perform a denial of service attack.



Remediation

Install update from vendor's website.