SB2026090603 - Type Confusion in Linux kernel hid driver



SB2026090603 - Type Confusion in Linux kernel hid driver

Published: September 6, 2026

Security Bulletin ID SB2026090603
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 Confusion (CVE-ID: CVE-2026-80773)

CWE-ID: CWE-843 - Type confusion

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 kernel splat.

The vulnerability exists due to improper type validation in the huawei_report_fixup() function when processing a uhid-created device that identifies as being on BUS_USB. A local user can create such a device to cause a kernel splat.


Remediation

Install update from vendor's website.