SB20260905171 - Type conversion in Linux kernel hid driver



SB20260905171 - Type conversion in Linux kernel hid driver

Published: September 5, 2026

Security Bulletin ID SB20260905171
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Partial DoS

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Type conversion (CVE-ID: CVE-2026-80774)

CWE-ID: CWE-704 - Type conversion

CVSSv4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]


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

The vulnerability exists due to improper validation of a HID device's USB parent in the ASUS HID driver when handling a uhid-created device that identifies as being on BUS_USB. A local user can create a uhid device with a non-USB parent to trigger a kernel splat and cause a denial of service.


Remediation

Install update from vendor's website.