CGX Overview

MontaVista Linux CGX - A Robust Carrier Grade Platform

Enhance your embedded device development with the Carrier Grade reliability, security, and serviceability offered by MontaVista® Linux® Carrier Grade eXpress (CGX). As a cornerstone in MontaVista's product lineup, CGX is a robust operating system equipped with Carrier Grade specifications, ensuring unparalleled performance and security for a diverse array of interconnected smart applications across industries.

Introducing MontaVista Linux CGX 5.0

MontaVista Linux CGX 5.0, the 15th generation of MontaVista’s Carrier Grade Linux, is built on the foundation of the Yocto Project 5.0 LTS release and the Linux kernel 6.6 LTS. With the GCC 13 and CLANG 18 toolchain, MontaVista CGX 5.0 provides a commercially supported Linux distribution for creating diverse embedded products on major CPU architectures, including x86, ARM, PPC, MIPS, and RISC-V.


Real-Time Linux

Engineered with real-time performance capabilities, MontaVista Linux CGX 5.0 is indispensable for applications requiring precise and timely responses. Ideal for critical systems like control systems and real-time data processing, CGX allows your applications to operate with maximum efficiency.

AI-Ready Linux

MontaVista Linux CGX 5.0 is designed with advanced Artificial Intelligence (AI) and Machine Learning (ML) capabilities through optimized support for GPUs and TPUs to enable seamless AI integration across multiple embedded platforms. This AI-readiness empowers developers to create advanced solutions from intelligent edge computing devices to complex industrial systems.

Secure By Design Linux

MontaVista CGX 5.0 comes with an out-of-the-box Secure by Default configuration, providing an off-the-shelf Linux with built-in robust security for applications running on CGX-enabled Board Support Packages (BSPs) included in the standard license. CGX 5.0 also delivers comprehensive CVE management and Software Bill of Materials (SBOM) generation to support transparent component management and compliance for software supply chain security.

Enhanced System Lifecycle Management

MontaVista Linux CGX 5.0 is incorporated with enhanced over-the-air (OTA) update capabilities and continuous CVE patching to simplify the maintenance and security of your deployed systems over their entire lifecycle. With over 10 years of supported lifecycle per version, CGX 5.0 ensures long-term health and reliability of your embedded systems and products.


Carrier Grade Reliability

Adhering to the Carrier Grade Linux (CGL) specification version 5.0, MontaVista CGX meets the industry standards for availability, serviceability, performance, and security. Choosing MontaVista CGX allows compliance with no additional efforts.

Flexible Configuration

MontaVista Linux CGX provides a highly configurable and flexible package, enabling you to customize the distribution to match your product and project requirements. Whether you require a real-time Linux environment, application portability, or dynamic configuration for CI/CD pipelines, CGX supports your needs!

Market-Based Customization

MontaVista CGX facilitates embedded Linux device development in various markets, such as industrial IoT, medical electronics, networking and telecommunications, instrumentation and control, and aerospace and defense. CGX Profiles offer a unique set of key features for various market use-cases.


For more than 20 years, MontaVista Linux products have been adopted in millions of devices across industries. Choose MontaVista Linux CGX to experience carrier-grade unique features and build your next-gen embedded applications with a reliable, secure and high quality Linux distribution. For further information, please check out CGX datasheet.

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