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kernel
21 postsFour Long-Standing Linux Kernel Local Root Flaws Disclosed
Four decade-old Linux kernel local root flaws — DirtyAH6, TUNderflow, PPPoEject, DiagSpill — are now public, with PoCs and stable-tree fixes released.
Linux Page Cache Vulnerability via TC Pedit: A New Exploit
Discover the Linux TC Pedit page cache exploit enabling root access. Learn about the vulnerability and its fix.
Meta Cuts Ads Latency With Open-Source sched_ext Kernel Scheduler
Meta used the open-source sched_ext BPF scheduler to fix a kernel-upgrade latency regression, cutting p99 latency 28% and saving 3.28MW fleet-wide.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comLinux 7.2 Released with Cache-Aware Scheduler and USB4STREAM
Linux 7.2 ships cache-aware task scheduling, a fairer GPU scheduler, USB4STREAM support, and Btrfs performance gains.
AI Uncovers 15-Year-Old Root Vulnerability in Linux Kernel
GhostLock (CVE-2026-43499): AI tool VEGA found a 15-year-old use-after-free root exploit in Linux kernel futex code. What engineers need to patch now.
Netkit: Closing the Linux Container Networking Performance Gap
How Cilium's netkit devices and bpf_redirect_peer eliminate backlog queue overhead to match container network performance to bare host speeds.
Beeline moves Layer 7 service mesh policies into eBPF
Beeline enforces 89% of service mesh L7 policies directly in eBPF, cutting request latency up to 6x versus traditional proxy-based enforcement.
RustyTux: Linux Kernel Local Privilege Escalation Exploit
RustyTux exploits a Linux kernel race condition for local privilege escalation.
How to Configure Hibernation on Ubuntu 24.04 with a Swap File
A practical walkthrough for enabling hibernation on Ubuntu 24.04 using a swap file instead of a partition, covering GRUB, initramfs pitfalls and the new polkit rules format.
Bad Epoll Flaw Grants Root Access on Linux and Android
CVE-2026-46242, dubbed Bad Epoll, lets unprivileged local users gain root via a race-condition bug in the Linux kernel's epoll subsystem; a patch is already out.