Type Confusion in Linux kernel - CVE-2026-80773
Published: September 6, 2026
Vulnerability identifier: #VU147154
CSH Severity: Low
CVSS v4: 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]
CVE-ID: CVE-2026-80773
CWE-ID: CWE-843
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Linux kernel
How to mitigate CVE-2026-80773
Install security update from vendor's repository.