CVE-2026-63957

Updated on 19 Jul 2026

Severity

7.0 High severity

Details

CVSS score
7.0

Overview

About vulnerability

In the Linux kernel, the following vulnerability has been resolved:

USB: serial: safe_serial: fix memory corruption with small endpoint

Make sure that the bulk-out buffer size is at least eight bytes to avoid user-controlled slab corruption in “safe” mode should a malicious device report a smaller size.

Details

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
Debian 12 Planned