#kernel
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Linux Drops Google's C Binder Driver as Rust Version Takes Over "Few Billion Devices"
The char/misc changes for Linux 7.4 remove Google's C-written Binder driver. The Rust implementation now takes over the role for good, destined to run on all future Android devices.
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Binary Search Speeds Up Early Linux Boot: From 268 Seconds Down to 50 Milliseconds
A Google engineer swapped linear search for binary search in Linux 7.4's memblock code, cutting Kernel Handover memory retrieval time by a factor of thousands.
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Linux 7.4 Makes Workqueue Flushing 10-100x Faster on Big Servers
A workqueue optimization in Linux 7.4 makes flushes visit only the queues used since the last flush, dramatically speeding things up on high-core-count machines.
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Linux Kernel Vulnerabilities Accidentally Dumped Onto Public LKML
Zero Day Initiative researchers mistakenly sent reports on several unpatched kernel flaws to the public mailing list instead of the private security one. Some of the bugs carry a CVSS score of 9.0.
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Linux 7.4 Starts Taking In Patches To Speed Up Kernel Builds
Arm engineer Lorenzo Stoakes has achieved notable speedups in compiling the Linux kernel. The first batch of his changes has now landed in Linux 7.4.
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Torvalds Removes Unsafe __get_user() and __put_user() From Linux 7.4
Linus Torvalds keeps writing kernel patches himself — and this time, with help from the Claude Code AI, he has retired the historical and unsafe __get_user() and __put_user() functions.
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Linux 7.4 Gains TAINT_FORCED_BIND to Fight AI-Driven Fuzzing
A new kernel taint flag marks cases where devices are forcibly bound to drivers via sysfs — a response to the flood of pointless bug reports generated by fuzzing tools.
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Linux 7.4: Radeon HDMI 2.1 by Default, AMD iGPU AI Boost, and First Apple M4 Steps
As the Linux 7.3 kernel heads toward its stable release, Phoronix previews the next cycle. Highlights include HDMI 2.1 enabled by default on modern Radeon cards, big LLM performance gains on AMD integrated graphics, and initial Apple M4 support.
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Seven stable kernels patch a critical flaw in the Linux network stack
Greg Kroah-Hartman has released stable kernel updates across seven branches at once. Among the fixes is a critical vulnerability in skb_checksum_help() tied to how IPv4 checksums are handled.
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Asterinas 0.19.0: Rust Kernel Gains Graphics and Arm Support
Asterinas, a project building a new operating-system kernel in Rust, has released version 0.19.0, adding a graphics subsystem able to run X.org and initial 64-bit Arm support.
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AI Agent Resources Proposed for the Linux Kernel
A new proposal for the upstream Linux kernel introduces "resources" for AI agents. The first such skill would automatically add a "Fixes:" tag to patches.
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Sashiko: how a language model helps review Linux kernel patches
At Kernel Recipes 2026, Roman Gushchin described Sashiko, a system that automatically generates reviews of kernel patches using a large language model.
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Arm Brings TLBID to Linux to Boost High-Core-Count CPUs
Arm has posted an initial set of Linux kernel patches for TLBI Domains, a feature meant to cut overhead on server CPUs packed with cores.
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Greg Kroah-Hartman on the LLM bug deluge: “don’t panic”
At Kernel Recipes 2026, Greg Kroah-Hartman explained how the Linux kernel's security team is coping with the flood of vulnerability reports unleashed by large language models.
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Archinstall 4.5: AArch64 Improvements and RT Kernel Options
Ahead of October's refresh of the Arch Linux install media, Archinstall 4.5 has arrived — a new release of the handy text-based system installer.
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A Race in AF_ALG: a 14-Year-Old Linux Kernel Hole Worth $113,337
A STAR Labs researcher found a race condition in the Linux kernel's crypto subsystem that lets an ordinary user become root and break out of a Docker container. The flaw, CVE-2025-39964, had lived in the code for roughly fourteen years.
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The Linux Kernel Build Is Nearing Ten Seconds
Compiling the Linux kernel has long been a reliable excuse for a coffee break. Now a clean, default kernel build on x86_64 is closing in on ten seconds.
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Linux Kernel Developers Weigh Adding AGENTS.md to Guide AI Agents
The Linux kernel keeps getting bombarded with patches from AI agents, yet its source tree has never carried a file with instructions aimed at them. A new patch set proposes to change that.
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Ubuntu 26.10 Makes a Surprise Jump to the Linux 7.3 Kernel
Canonical has revised its plans: the autumn Ubuntu release will ship with the Linux 7.3 kernel instead of the previously announced 7.2. The reason is upstream's ahead-of-schedule development pace.
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AMDGPU Gets HDMI 2.1 by Default in Linux Kernel 7.4
After years of refusals from the HDMI Forum, an open implementation of HDMI 2.1 for the AMDGPU driver is finally ready: in Linux 7.4 it will be enabled by default, along with FreeSync, VRR and ALLM.
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