SB2026021656 - Use-after-free in Linux kernel iwlwifi mld driver



SB2026021656 - Use-after-free in Linux kernel iwlwifi mld driver

Published: February 16, 2026

Security Bulletin ID SB2026021656
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Use-after-free (CVE-ID: CVE-2026-23185)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the iwl_mld_move_sta_state_down() function in drivers/net/wireless/intel/iwlwifi/mld/mac80211.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.