SB2024093052 - NULL pointer dereference in Linux kernel net phy driver



SB2024093052 - NULL pointer dereference in Linux kernel net phy driver

Published: September 30, 2024 Updated: May 12, 2025

Security Bulletin ID SB2024093052
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-2024-46856)

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

The vulnerability exists due to NULL pointer dereference within the dp83822_config_intr(), dp83822_read_straps(), dp83822_probe() and dp83822_resume() functions in drivers/net/phy/dp83822.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.