SB20241022230 - Division by zero in Linux kernel ext4



SB20241022230 - Division by zero in Linux kernel ext4

Published: October 22, 2024 Updated: May 12, 2025

Security Bulletin ID SB20241022230
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) Division by zero (CVE-ID: CVE-2024-47700)

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

The vulnerability exists due to a division by zero error within the ext4_block_group_meta_init(), __ext4_fill_super() and __ext4_remount() functions in fs/ext4/super.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.