SB2025012157 - Use of uninitialized resource in Linux kernel exfat



SB2025012157 - Use of uninitialized resource in Linux kernel exfat

Published: January 21, 2025 Updated: May 11, 2025

Security Bulletin ID SB2025012157
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-2024-57943)

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 exfat_extend_valid_size() function in fs/exfat/file.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.