SB20240531439 - NULL pointer dereference in Linux kernel wangxun libwx driver



SB20240531439 - NULL pointer dereference in Linux kernel wangxun libwx driver

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

Security Bulletin ID SB20240531439
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-2023-52783)

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

The vulnerability exists due to NULL pointer dereference within the txgbe_sw_init() function in drivers/net/ethernet/wangxun/txgbe/txgbe_main.c, within the ngbe_sw_init() function in drivers/net/ethernet/wangxun/ngbe/ngbe_main.c, within the wx_sw_init() function in drivers/net/ethernet/wangxun/libwx/wx_hw.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.