Use-after-free in Linux kernel - CVE-2026-46074
Published: May 27, 2026
Vulnerability identifier: #VU132419
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46074
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to use-after-free in the ch341 spi driver when handling device probe failures and disconnect events. A local user can trigger crafted device interactions to cause a denial of service.
Exploitation requires local access to attach or interact with the affected USB device.
How to mitigate CVE-2026-46074
Install security update from vendor's repository.