Google shoehorned Rust into Pixel 10 modem to make legacy code safer

Google engineers are rewriting critical parts of the Pixel 10's cellular modem in the Rust programming language to mitigate pervasive security vulnerabilities in legacy C++ code. | Contesto: cronaca

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• Google shoehorned Rust into Pixel 10 modem to make legacy code safer

Contesto

In a significant shift for mobile hardware security, Google is actively rewriting portions of the cellular modem firmware for its upcoming Pixel 10 smartphone in the Rust programming language. This technical maneuver, confirmed by sources familiar with the project, aims to directly confront the deep-seated security flaws inherent in the decades-old C++ code that traditionally powers these essential communication chips. The effort represents a proactive attempt to fortify a component that has long been considered a vulnerable "black box" in the smartphone ecosystem. Cellular modems are among the most complex and critical subsystems in any modern device, responsible for managing everything from basic voice calls to high-speed 5G data connections. Their firmware, however, is often built upon layers of legacy code, some of it dating back to the earliest days of digital cellular networks. This codebase, predominantly written in C and C++, is notoriously prone to memory safety vulnerabilities—bugs that allow malicious actors to corrupt a device's memory and potentially take control of it. These vulnerabilities are a primary attack vector for sophisticated spyware and state-sponsored hacking campaigns, making the modem a high-value target. Google's decision to introduce Rust is a direct response to this persistent threat. Rust is a modern systems programming language explicitly designed to prevent the memory corruption errors that plague C and C++ code, without sacrificing the performance required for low-level hardware interaction. By "shoehorning" Rust components into the Pixel 10's modem firmware, Google engineers are creating memory-safe islands within the larger, legacy codebase. This strategy, known as incremental adoption, allows for the gradual replacement of the most vulnerable code paths without the impossible task of rewriting millions of lines of code from scratch. The implications of this move extend beyond a single product line. Google's Pixel smartphones have increasingly served as a testbed and showcase for the company's advancements in mobile software and hardware integration. Successfully demonstrating that Rust can be integrated into a production...

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Categoria: cronaca