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Bad Epoll (CVE-2026-46242): Critical Linux Kernel Race Condition Enables Local Privilege Escalation to Root

Bad Epoll (CVE-2026-46242): The 99% Reliable Linux Kernel Race That Puts Root in Every User's Hands + Video - "Undercode Testing": Monitor hackers like a pro.

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undercodetesting.com·Tech by Flipboard·13d ago·9 min read

Cache Aware Scheduling Merged Into Linux 7.2 Kernel, Boosting Modern Intel and AMD CPUs

The scheduler updates were merged this morning for the Linux 7.2 kernel and it's exciting

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Shared by @phoronix-poster.bsky.social ↗

phoronix.com1mo ago

Privilege Escalation via Page Use-After-Free in Qualcomm's QAIC Linux Kernel Driver

Security Blog

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Shared by @0xor0ne.bsky.social ↗

lukasmaar.github.io1mo ago

Restartable Sequences: A Linux Kernel Feature for Lock-Free Thread-Safe Programming

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justine.lol1mo ago

Linux kernel patch proposes per-function "killswitch" for runtime short-circuit mitigation

Article URL: Comments URL: Points: 6 # Comments: 0

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lwn.net·Hacker News: Front Page·2mo ago·33 min read

Four stable Linux kernels released with partial fixes for Dirty Frag and Copy Fail 2 vulnerabilities

Greg Kroah-Hartman has announced the release of the 7.0.5, 6.18.28, 6.12.87, and 6.6.138 stable [...]

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lwn.net·Hacker News: Front Page·2mo ago·1 min read

Copy Fail: Critical Linux Kernel Vulnerability (CVE-2026-31431) Grants Root Access Across Major Distributions

Xint Code disclosed CVE-2026-31431, an authencesn scratch-write bug chaining AF_ALG + splice() into a 4-byte page cache write. A 732-byte PoC gets root on Ubuntu, Amazon Linux, RHEL, SUSE.

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xint.io·Hacker News: Front Page·2mo ago·13 min read

Linux Kernel Developers Propose Removing Legacy Code in Response to LLM-Generated Security Reports

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lwn.net2mo ago

Sashiko: Agentic Linux Kernel Code Review System for Automated Patch Evaluation

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sashiko.dev3mo ago

Debugging eBPF Spinlock Issues in the Linux Kernel: Finding and Fixing Three Bugs

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rovarma.com4mo ago

Linux Kernel /proc/*/mem Pseudofile: Understanding Punch Through Semantics for Unwritable Memory

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offlinemark.com4mo ago

Understanding TCP Zero-Copy: How Linux Kernel Eliminates Data Copying Overhead

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blog.tohojo.dk4mo ago

Rockchip VDPU381 and VDPU383 Video Decoders Added to Upstream Linux Kernel

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collabora.com4mo ago

Linux Kernel Development: Introducing the Swap Table for Modernized Memory Management

The kernel's swap subsystem is a complex and often unloved beast. It is also a critical compon [...]

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lwn.net·Hacker News: Front Page·5mo ago·8 min read

Challenges of Implementing Linux Kernel's READ_ONCE() and WRITE_ONCE() Macros in Rust

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lwn.net6mo ago

Analysis of TCG_TPM2_HMAC: Linux Kernel Feature for TPM Bus Security

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dlp.rip6mo ago

Linux Kernel Self-Protection Project: Addressing Security Challenges with Flexible Array Members and struct sockaddr

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lwn.net7mo ago

Asahi Linux Continues Development for Apple Silicon Support, Including M3 Compatibility and Rust Bootloader Migration

The Asahi Linux developers involved with working on Linux support for Apple Silicon M-Series devices have put out a new progress report on their development efforts.

Newstechnologyprogramming

phoronix.com8mo ago