SB20250226440 - NULL pointer dereference in Linux kernel stmicro stmmac driver

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Main Vulnerability Database SB20250226440

SB20250226440 - NULL pointer dereference in Linux kernel stmicro stmmac driver

Published: February 26, 2025 Updated: May 11, 2025

Security Bulletin ID SB20250226440
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-2022-49061)

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

The vulnerability exists due to NULL pointer dereference within the socfpga_dwmac_fix_mac_speed() function in drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c, within the TSE_PCS_USE_SGMII_ENA BIT() and tse_pcs_fix_mac_speed() functions in drivers/net/ethernet/stmicro/stmmac/altr_tse_pcs.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References