CVE-2026-89575

Updated on 11 Sep 2026

Severity

7.8 High severity

Details

CVSS score
7.8

Overview

About vulnerability

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

dm raid1: reserve space for NUL-terminator in build_constructor_string()

Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().

Details

Fixes

KernelCare state

Live-patch status from KernelCare for each operating system.

Operating system Status Covered kernels
CentOS 7 ELS Planned —
Debian 12 Planned —
Debian 13 Planned —