SB20241230147 - NULL pointer dereference in Linux kernel gadget function driver



SB20241230147 - NULL pointer dereference in Linux kernel gadget function driver

Published: December 30, 2024 Updated: May 11, 2025

Security Bulletin ID SB20241230147
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-2024-56670)

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

The vulnerability exists due to NULL pointer dereference within the gs_start_io() function in drivers/usb/gadget/function/u_serial.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.