SB2026021687 - NULL pointer dereference in Linux kernel ice devlink driver



SB2026021687 - NULL pointer dereference in Linux kernel ice devlink driver

Published: February 16, 2026

Security Bulletin ID SB2026021687
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-2026-23117)

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

The vulnerability exists due to NULL pointer dereference within the ice_devlink_reinit_down() function in drivers/net/ethernet/intel/ice/devlink/devlink.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.