SB2026082781 - Race condition in Linux kernel input touchscreen driver

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026082781

SB2026082781 - Race condition in Linux kernel input touchscreen driver

Published: August 27, 2026

Security Bulletin ID SB2026082781
CSH 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 vulnerability.


1) Race condition (CVE-ID: CVE-2026-80559)

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

CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a local user to cause a system crash.

The vulnerability exists due to a race condition in the sur40 input device initialization and polling path when opening the input device before the V4L2 video device and vb2_queue are fully initialized. A local user can open the device to trigger the polling worker thread and cause a system crash.

The issue is triggered during device initialization ordering in sur40_probe().


Remediation

Install update from vendor's website.

References