SB20260925228 - Improper Check for Unusual or Exceptional Conditions in Linux kernel base driver



SB20260925228 - Improper Check for Unusual or Exceptional Conditions in Linux kernel base driver

Published: September 25, 2026

Security Bulletin ID SB20260925228
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-97479)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a local privileged user to trigger a kernel warning.

The vulnerability exists due to improper device-link state handling in __device_links_no_driver when removing a consumer device while its supplier is unbinding. A local privileged user can remove a device in the affected device-link topology to trigger a kernel warning.


Remediation

Install update from vendor's website.