For about 30 years, Linux has quietly run the world, and C has quietly run Linux.
Rust landed in the kernel in 2022, the first language other than C and assembly to make it into the core.
They’re the kind of bugs that keep security teams up at night.
A lot of what runs in a Linux environment comes from vendors: hardware drivers, security agents, and so on.
Until now, a memory bug in a vendor’s C driver could take out your whole stack.
For about 30 years, Linux has quietly run the world, and C has quietly run Linux. That pairing gave us speed. It also gave us a never-ending supply of memory bugs and crashes.
That’s finally starting to change. Rust landed in the kernel in 2022, the first language other than C and assembly to make it into the core. Last December, kernel developers dropped the “experimental” tag and made Rust a permanent part of the build. And this October, Google swapped its C-based Binder driver for the Rust version, which will now run on “a few billion devices.”
This isn’t just a debate for open-source purists. If you run anything important in the cloud or on-premise, it touches how your infrastructure handles security, uptime, and long-term maintenance.
READ MORE: What is credential stuffing?
Why did the kernel go Rust?
Start with the trade-off C has always asked you to make. It’s fast, and it gives developers tight control over the hardware. The catch is that all that control relies on humans getting every detail right. One small slip in memory handling, like a use-after-free or a buffer overflow, and you’ve got a bug waiting for the worst possible moment.
These aren’t minor glitches. They’re the kind of bugs that keep security teams up at night. Microsoft, Google, and U.S. Cybersecurity and Infrastructure Security Agency (CISA) have all said that roughly 70% of serious security bugsOpens a new window trace back to memory safety. After years of that, the industry landed on a pretty simple conclusion: you can’t fix human error with a language that lets humans make it.
Rust is about as fast as C, but it comes with a safety net. Its “ownership model” works like a strict code reviewer built into the compiler. If there’s any hint of a memory flaw or data race, the code simply won’t compile. In other words, mistakes get caught on the developer’s machine, not in your production environment at 2 a.m.
Less patch chasing, more uptime
This changes the math for running Linux at scale. A memory bug that slips into production can get expensive fast. Think of the CrowdStrike outage in July 2024, when one faulty kernel-level update grounded flights and froze banks. (That one was on Windows, not Linux, but it shows how much damage a single kernel-level fault can do.)
Linux powers a huge chunk of enterprise life, from Azure environments to financial trading engines. One kernel panic can knock a node offline, drop user sessions, and kick off failovers. Rust turns a lot of those production disasters into compile-time errors that get fixed long before deployment.
For your team, that means simpler uptime and easier SLAs. Your SREs spend less time building elaborate workarounds for sudden kernel drops, and the OS gets more predictable.
READ MORE: Close the change, write the article: Knowledge habits for small IT teams
If you’re a small IT team without a kernel expert on staff, the benefit is pretty simple: fewer urgent patches and vendor drivers that are less likely to take down your server.
It also changes how you size up third-party software. A lot of what runs in a Linux environment comes from vendors: hardware drivers, security agents, and so on. Until now, a memory bug in a vendor’s C driver could take out your whole stack. As Rust becomes standard in the kernel, you’ll have more leverage to push vendors to build reliability in at the source, so your team isn’t stuck chasing someone else’s bug.
What it means for your talent pipeline
Rust in the kernel also helps with the systems-engineering talent gap. Working on Linux code used to demand deep, hard-won C knowledge. The risk of crashing a system was so high that low-level infrastructure work stayed walled off from most software teams.
Rust lowers the barrier without lowering the bar. Where C throws cryptic crash codes at you, Rust gives you friendly tooling like Cargo and clear compiler messages that work like a built-in mentor — a loop that feels natural to engineers raised on modern languages.
That means backend developers and systems engineers can start contributing to kernel-level work, like writing, customizing, and debugging extensions, without years of pointer-management scars. It’s a hiring win too, since good engineers tend to gravitate toward modern, developer-friendly tools. And if your teams already build cloud-native apps in Rust, they can now take that expertise down into the OS: one stack, fewer silos.
Your roadmap for a Rust-powered Linux
Rust in the kernel is a real structural shift — better security, sturdier systems, and lower long-term maintenance costs.
To get the most out of the change:
Move to newer enterprise kernel distributions
Encourage cross-training on your infrastructure team
Favor hardware and security vendors that ship Rust-based integrations
The future of enterprise Linux is safe, fast, and written in Rust, and the teams that get ready now will have a lot fewer 2 a.m. wake-up calls.
Categories: Articles, Software
Share This Article:
With nearly two decades of experience in B2B marketing, Priya creates content for business transformation enabled by cloud, data analytics, and AI. Her career journey spans GE Capital (turned Genpact in 2005), HCL Technologies, Cyient and a Delhi-based digital marketing company. She has led teams of writers and multimedia specialists to nurture campaigns for every stage of buyer journey, from awareness to advocacy. Her key areas of interest are FinOps, cybersecurity, and sustainability solutions that promote responsible innovation. Priya is also a dedicated animal rights advocate, serving homeless sentient beings. With nearly two decades of experience in B2B marketing, Priya creates content for business transformation enabled by cloud, data analytics, and AI. Her career journey spans GE Capital (turned Genpact in 2005), HCL Technologies, Cyient and a Delhi-based digital marketing company. She has led teams of writers and multimedia specialists to nurture campaigns for every stage of buyer journey, from awareness to advocacy. Her key areas of interest are FinOps, cybersecurity, and sustainability solutions that promote responsible innovation. Priya is also a dedicated animal rights advocate, serving homeless sentient beings.
