SB20240531500 - NULL pointer dereference in Linux kernel usb roles driver

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Main Vulnerability Database SB20240531500

SB20240531500 - NULL pointer dereference in Linux kernel usb roles driver

Published: May 31, 2024 Updated: May 14, 2025

Security Bulletin ID SB20240531500
CSH 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 vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2024-26747)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to NULL pointer dereference within the usb_role_switch_get(), fwnode_usb_role_switch_get(), EXPORT_SYMBOL_GPL(), usb_role_switch_find_by_fwnode() and usb_role_switch_register() functions in drivers/usb/roles/class.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References