SB2026050996 - Race condition in Linux kernel chips-media wave5 driver



SB2026050996 - Race condition in Linux kernel chips-media wave5 driver

Published: May 9, 2026

Security Bulletin ID SB2026050996
CSH 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 vulnerability.


1) Race condition (CVE-ID: CVE-2026-43293)

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a race condition in the wave5 driver kthread worker cleanup logic when removing the module in polling mode. A local user can trigger module removal in polling mode to cause a denial of service.

The issue occurs when irq is less than 0 and the hrtimer can queue new work during worker destruction, leading to a kernel warning.


Remediation

Install update from vendor's website.