Many IoT devices, especially gateways, controllers, and industrial computers, run on Linux. It is important to ensure that the system is protected from various types of attacks. Therefore, the security of the system should be analyzed and devices should be updated regularly to prevent them from being vulnerable to attacks.

In this series, we will provide various information on Linux system security in devices.

Vulnerability Allowing Full Control of the System

A new vulnerability has been discovered in the Linux NetFilter kernel, allowing unprivileged local users to escalate their privileges to root level, enabling full control of the system.

This vulnerability has been registered under the identifier CVE-2023-32233 on May 10, 2023.