SB20261023168 - Race condition in Linux kernel i915 gt driver



SB20261023168 - Race condition in Linux kernel i915 gt driver

Published: October 23, 2026

Security Bulletin ID SB20261023168
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) Race condition (CVE-ID: CVE-2026-99005)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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


The vulnerability allows a local user to trigger a kernel warning and taint the kernel.

The vulnerability exists due to a race condition in the i915 driver's RPS work handling when scheduling work concurrently with asynchronous GT parking. A local user can trigger this race so that rps_work() unmasks power-management interrupts after the GT has been parked, causing hardware register access without a runtime power-management wakelock and triggering a kernel warning that taints the kernel.


Remediation

Install update from vendor's website.