SB2025072555 - openEuler 20.03 LTS SP4 update for kernel



SB2025072555 - openEuler 20.03 LTS SP4 update for kernel

Published: July 25, 2025

Security Bulletin ID SB2025072555
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) NULL pointer dereference (CVE-ID: CVE-2025-38337)

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

The vulnerability exists due to NULL pointer dereference within the jbd2_journal_dirty_metadata() function in fs/jbd2/transaction.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.