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Exploiting CVE-2024-50264: A Race Against Time in the Linux Kernel

2025-09-03

Exploiting CVE-2024-50264: A Race Against Time in the Linux Kernel

This article details the author's journey exploiting the complex CVE-2024-50264 Linux kernel vulnerability using their kernel-hack-drill project. The vulnerability, a challenging race condition, presented numerous obstacles, including a UAF write occurring microseconds after kfree(), hindering cross-cache attacks. The author cleverly utilized the 'immortal' signal 33 to interrupt the connect() syscall, combined with a cross-cache attack and a novel msg_msg spraying technique, ultimately bypassing limitations and achieving privilege escalation. This challenging exploit showcases advanced reverse engineering and exploitation skills, highlighting the value of kernel-hack-drill in vulnerability research.

(a13xp0p0v.github.io)

Development Linux Kernel Vulnerability Race Condition

Laravel Creator Warns Against Overly Complex Code

2025-09-03

Laravel Creator Warns Against Overly Complex Code

Taylor Otwell, creator of the popular PHP framework Laravel, cautions developers against overly complex code and bypassing framework conventions. He advocates for simple, easily modifiable code, warning that 'clever' solutions often create hidden problems. Otwell discussed Laravel's development history, its dominance in the PHP landscape, and its future direction, including support for strong typing and React integration. While Laravel's ease of use is praised, some criticisms remain, such as compatibility issues with static analysis tools. Ultimately, Otwell emphasizes adhering to framework best practices for efficient, high-quality code.

(www.theregister.com)

Development

The Surprising Truth About EVs and Their Environmental Impact

2025-09-03

The Surprising Truth About EVs and Their Environmental Impact

A new study from the University of Michigan challenges common assumptions about the environmental friendliness of electric vehicles. The research reveals that even accounting for battery production and electricity generation, the environmental benefits of EVs vary significantly depending on vehicle type, location, and usage. For instance, in Pennsylvania, a pure electric compact sedan emits 63% less CO2 than a gasoline car, but in Arizona, that figure jumps to 79%. Even large electric SUVs and pickups still produce less lifetime CO2 than gasoline compact cars. The study includes a calculator allowing users to compare lifecycle greenhouse gas emissions for various vehicles. The key takeaway: Any vehicle with only an internal combustion engine is more detrimental to the environment than any EV, and electrification offers greater potential for emission reduction than downsizing alone.

(www.thedrive.com)

Tech Environment

Critical Vulnerabilities Found in Copeland Controllers Threaten Global Supply Chains

2025-09-03

Critical Vulnerabilities Found in Copeland Controllers Threaten Global Supply Chains

Ten critical vulnerabilities (Frostbyte10) have been discovered in Copeland controllers, widely used by major supermarket chains and cold storage facilities worldwide. These flaws could allow attackers to remotely manipulate temperatures, potentially spoiling food and medicine and causing significant supply chain disruptions. The vulnerabilities affect E2 and E3 controllers, impacting critical systems like compressors and condensers. Copeland has released firmware updates, and CISA has issued advisories urging immediate patching. Exploitation of these vulnerabilities could lead to unauthorized remote code execution.

(www.theregister.com)

Tech

Call of Duty Movie Officially in the Works

2025-09-03

Call of Duty Movie Officially in the Works

Paramount Pictures and Activision have officially partnered to bring the globally successful video game franchise, Call of Duty, to the big screen. Spearheaded by Paramount's Chairman & CEO David Ellison, a lifelong fan of the game, and produced by Skydance, this collaboration aims to deliver a high-quality film adaptation. While Activision previously attempted a Call of Duty film adaptation, this new partnership leverages the success of the Top Gun: Maverick team, promising a cinematic experience that will satisfy the millions of fans worldwide.

(deadline.com)

Game movie adaptation video game adaptation

Waymo Expands Autonomous Vehicle Testing to Denver and Seattle

2025-09-03

Waymo Expands Autonomous Vehicle Testing to Denver and Seattle

Waymo announced it's bringing its Jaguar I-Pace SUVs and Zeekr vans to Denver and Seattle this week, initially for manual driving before autonomous testing begins. The company aims to launch robotaxi services in Denver next year and Seattle as soon as permits are granted. This expansion tests Waymo's technology in challenging weather conditions. Waymo currently operates over 2,000 robotaxis nationwide and plans to launch commercial services in Dallas, Miami, and Washington D.C. next year.

(techcrunch.com)

Tech expansion

85+ Scientists Rebut DOE Climate Report: Errors and Misrepresentation

2025-09-03

85+ Scientists Rebut DOE Climate Report: Errors and Misrepresentation

Over 85 scientists have issued a joint rebuttal to a recent U.S. Department of Energy (DOE) report on climate change, arguing it's filled with errors and misrepresents climate science. The report, spearheaded by Energy Secretary Chris Wright, is accused of being secretly compiled by five hand-picked climate change skeptics, violating the law by presenting only one point of view. Critics highlight cherry-picked data and misrepresentations, such as downplaying the negative impacts of rising CO2 on US agriculture and denying climate change's role in worsening droughts. This report is being used by the Trump administration to weaken climate pollution regulations, sparking intense backlash from the scientific community.

(www.npr.org)

Tech

Dissecting the Apple Silicon Mac Boot Process: From Boot ROM to Userspace

2025-09-03

Dissecting the Apple Silicon Mac Boot Process: From Boot ROM to Userspace

This article delves into the boot process of an Apple Silicon Mac. Starting from the Boot ROM, it traces the sequence through the Low-Level Bootloader (LLB) and iBoot, kernel startup, system clock adjustments, and finally, the unlocking of the data volume to enter userspace. Using a Mac mini M4 Pro log as an example, the article details each phase, highlighting the lower log frequency and kernel-centric entries before data volume unlock, contrasting with the significantly higher frequency and reduced kernel contribution afterwards. This process reveals insights into Apple Silicon Mac's security mechanisms and boot efficiency.

(eclecticlight.co)

Hardware Mac boot process

Indices, Not Pointers: A Zig Performance Trick

2025-09-03

A novel approach in Zig uses indices instead of pointers in data structures, resulting in significant performance gains. By storing nodes in a dynamic array and referencing them via indices, this technique reduces memory allocation overhead, lowers memory usage, speeds up access times, and makes freeing instantaneous. This is particularly beneficial for node-based structures like trees, and is used in Zig's compiler for efficient ASTs. While removing individual nodes requires additional handling (e.g., a freelist), the overall performance boost is substantial.

(joegm.github.io)

Development

Retro Light Cycle Game Built with Rust and ggez

2025-09-03

Retro Light Cycle Game Built with Rust and ggez

A classic TRON-inspired light cycle game built using Rust and the ggez game framework. Features single-player and two-player modes, adjustable AI difficulty, a boost mechanic for strategic gameplay, and impressive visual effects. The game boasts a retro 8-bit aesthetic and includes a pause menu. The open-source project is available under the MIT license.

(github.com)

Game

Triangular Grids: A Fresh Perspective on Tactical Game Design

2025-09-03

Square and hexagonal grids are commonplace in strategy games, but triangular grids remain largely unexplored. This article delves into the advantages of triangular grids in game design, highlighting their visual flexibility in representing both straight lines and curves, and their unique tactical possibilities. Unlike square grids with 4 directions and hexagonal grids with 6, triangular grids, when allowing diagonal movement, offer up to 12 directions, significantly increasing tactical options. The article details coordinate representation, conversion methods, and various distance calculation formulas for triangular grids, providing a small open-source library for developers. While few games currently utilize triangular grids, their potential is vast, promising a fresh take on strategy game mechanics.

(kvachev.com)

Game Grid Systems

World Models: The Illusion and Reality of AGI

2025-09-03

World Models: The Illusion and Reality of AGI

The latest pursuit in AI research, especially in AGI labs, is the creation of a "world model" – a simplified representation of the environment within an AI system, like a computational snow globe. Leading figures like Yann LeCun, Demis Hassabis, and Yoshua Bengio believe world models are crucial for truly intelligent, scientific, and safe AI. However, the specifics of world models are debated: are they innate or learned? How do we detect their presence? The article traces the concept's history, revealing that current generative AI may rely not on complete world models, but on numerous disconnected heuristics. While effective for specific tasks, these lack robustness. Building complete world models remains crucial, promising solutions to AI hallucinations, improved reasoning, and greater interpretability, ultimately driving progress towards AGI.

(www.quantamagazine.org)

AI

The Little Book of Linear Algebra: A Concise Introduction

2025-09-03

The Little Book of Linear Algebra: A Concise Introduction

This concise introduction to linear algebra starts with scalars and vectors, building up to vector addition, scalar multiplication, dot product, norms, and angles. It then delves into matrices, linear systems of equations, linear transformations, eigenvalues, and eigenvectors, illustrating each concept with examples and exercises. The book emphasizes the geometric interpretation of linear algebra and shows its applications in computer graphics, data science, and machine learning.

(github.com)

Development

Zig Software Foundation's 2025 Financial Report & Fundraiser: A Plea for Sustainability

2025-09-03

The Zig Software Foundation released its 2024 financial report, showcasing efficient resource allocation where the majority of funds went directly to compensating contributors. Despite a slight dip in donations, user activity exploded, leading to a surge in issues and pull requests. To address this growing demand, the foundation expanded its core team and is now seeking sustained donations to maintain operations and project momentum. They prefer donations via Every.org, and encourage various support methods including company matching, venture capital investment, and individual contributions.

(ziglang.org)

Development Zig programming language

Mastering the HTML `<template>` Element: Declarative Shadow DOM and DocumentFragment Tricks

2025-09-03

This article delves into the powerful capabilities of the HTML `` element, focusing on its use with the `shadowrootmode` attribute for declarative Shadow DOM creation. It thoroughly explains the `open` and `closed` values of `shadowrootmode`, and the usage of attributes like `shadowrootclonable`, `shadowrootdelegatesfocus`, and `shadowrootserializable`. Furthermore, the article illustrates how to manipulate DocumentFragment using the `` element's `content` property, cleverly avoiding potential DocumentFragment pitfalls. Through concrete code examples, it demonstrates how to dynamically insert and update DOM elements, and how to leverage Shadow DOM for style encapsulation and component-based development.

(developer.mozilla.org)

Development HTML template

The Mystery Behind Japan's "Staff Enjoyed It Later" Caption

2025-09-03

The Mystery Behind Japan's

A common caption in Japanese TV shows, "Staff enjoyed this later," aims to address viewer concerns about food waste. However, its authenticity is debated. Some see it as a self-protective measure to avoid criticism, while others argue it diminishes program quality. The article presents conflicting viewpoints from producers, entertainers, and commentators; some confirm the caption's truth, others express doubt, even suggesting it's a way to deflect responsibility. This controversy reflects Japan's concern about food waste and ethical dilemmas in TV production.

(en.wikipedia.org)

Misc Japanese TV

Putting Your Linux Home Server to Sleep and Waking it on Demand

2025-09-03

This article details how the author automated their Ubuntu home server to sleep when idle and wake on demand (e.g., via SSH or Time Machine backups). This involved using an always-on device (like a Raspberry Pi) to act as an ARP and mDNS proxy, along with configuring Wake-on-LAN and a cron job on the server to detect idle states. The author meticulously outlines the configuration, including enabling Wake-on-LAN's unicast mode, creating a cron script, disabling IPv6, and setting up an ARP Stand-in and Avahi service. Challenges encountered, such as unexpected wake-ups and Time Machine backups failing to trigger wake-up, are addressed and solved through port mirroring and service adjustments.

(dgross.ca)

Development sleep/wake

Lit: Build Lightweight, Blazing-Fast Web Components

2025-09-03

Lit is a lightweight library for building web components, based on web component standards. Weighing in at around 5KB, it provides reactivity, declarative templates, and a streamlined developer experience. It renders blazing fast by only updating dynamic parts of the UI, ensuring compatibility with any framework. Lit components are standard custom elements, supporting scoped styles and reactive properties, simplifying the creation of shareable components, design systems, and future-proof applications.

(lit.dev)

Development

Reviving LISP 1.5: A C and Odin Implementation

2025-09-03

Reviving LISP 1.5: A C and Odin Implementation

This project recreates the core functionality of the 1962 LISP 1.5 interpreter in both C and Odin, boasting less than 500 lines of code (around 600 for the Odin version). It features a semi-space copying garbage collector based on Cheney's algorithm and limited tail-call optimization. While simplifying error handling and thread safety, the project successfully executes test programs, demonstrating the elegance and conciseness of LISP.

(github.com)

Development

Magic Lantern Rises From the Ashes: New Team, New Hope

2025-09-03

The long-dormant Magic Lantern camera firmware project is back! After years of inactivity, a new core team has revitalized the project, completely overhauling the codebase, build system, and website. They've overcome significant technical hurdles, releasing updated firmware for several Canon cameras (including the 200D, 6D Mark II, 750D, and 7D Mark II), supporting the latest Digic 6 and 7 processors. New features include intervalometer, custom crop marks, shutter count, and more. The 200D even boasts working raw video with DPAF and Dual ISO. While some advanced features are still under development, Magic Lantern's return offers renewed hope for photography enthusiasts.

(www.magiclantern.fm)

Development Camera Firmware

Off-Grid Blogging: Running a Hugo Site on a Pixel 5 with Solar Power

2025-09-03

An Android enthusiast successfully deployed their Hugo blog to an old Google Pixel 5 phone, powered by solar energy. Leveraging the Termux terminal emulator, they installed Hugo, SSH, and other essential tools to run and maintain the blog. This eco-friendly setup is surprisingly stable and performs comparably to traditional servers, showcasing the potential of low-power devices.

(blog.ctms.me)

Development Off-grid blogging

Server CPU Utilization: Don't Be Fooled by the Numbers!

2025-09-03

Server CPU Utilization: Don't Be Fooled by the Numbers!

Do you rely on server CPU utilization to assess server performance? This author ran a series of stress tests and discovered that CPU utilization isn't linearly correlated with actual work efficiency. Especially above 50% utilization, hyperthreading and Turbo Boost significantly skew the relationship, leading to much higher actual throughput than the reported utilization suggests. Instead of relying on CPU utilization, the author recommends benchmarking to measure actual work completed for a more accurate assessment of server performance.

(www.brendanlong.com)

Development server performance CPU utilization hyperthreading

TPDE-LLVM: A 10-20x Faster LLVM Back-end

2025-09-03

TPDE-LLVM: A 10-20x Faster LLVM Back-end

The TPDE project has open-sourced its fast LLVM back-end, TPDE-LLVM, achieving a 10-20x speedup in compilation compared to the LLVM -O0 back-end on SPEC CPU 2017 benchmarks, with similar runtime performance and a 10-30% increase in code size. TPDE-LLVM currently supports x86-64 and AArch64 architectures and incorporates optimizations to LLVM-IR, such as removing constant expressions inside functions and limiting struct/array sizes. Future plans include broader LLVM-IR feature support, DWARF debug info, and improved register allocation.

(discourse.llvm.org)

Development

iNaturalist Opensources Parts of its Computer Vision Models

2025-09-02

iNaturalist Opensources Parts of its Computer Vision Models

iNaturalist has open-sourced a subset of its machine learning models, including "small" models trained on approximately 500 taxa, along with taxonomy files and a geographic model, suitable for on-device testing and other applications. The full species classification models remain private due to intellectual property and organizational policy. The post details installation and running instructions for MacOS, covering dependency installation, environment setup, performance optimization suggestions (including compiling TensorFlow and using pillow-simd), and provides performance benchmarks.

(github.com)

AI open-source models

Physically Based Rendering: A Deep Dive from First Principles

2025-09-02

This interactive article explores the physics of light and its interaction with matter, providing a foundation for understanding physically based rendering (PBR). Starting with the nature of light—from ancient Greek theories to quantum electrodynamics—it delves into Maxwell's equations and light generation methods like incandescence and electroluminescence. The article simplifies complex light-matter interactions, explaining reflection, refraction, Fresnel equations, and the microfacet model. It culminates in the rendering equation, breaking down key components like the BRDF. Illustrated with diagrams and interactive demos, this article is a valuable resource for anyone interested in computer graphics and physics.

(imadr.me)

Development Physically Based Rendering

Python 3.14's Concurrency and Parallelism Improvements: The Future of Async?

2025-09-02

Python 3.14's Concurrency and Parallelism Improvements: The Future of Async?

Python 3.14, releasing soon, brings significant improvements in concurrency and parallelism with PEP 779 (officially supported free threading) and PEP 734 (multiple interpreters in the stdlib). However, despite async/await existing for a decade, its adoption remains lower than expected. The article analyzes the reasons: async excels at I/O-bound tasks but is limited in areas like file I/O; the GIL restricts true parallelism in multithreading; maintaining both synchronous and asynchronous APIs increases development and maintenance costs. The author suggests that Python 3.14's new features might reduce reliance on async programming, offering more practical concurrency and parallelism solutions through free threading and multiple interpreters.

(tonybaloney.github.io)

Development

Animating Rosettas in Ada: A Short Tutorial

2025-09-02

Animating Rosettas in Ada: A Short Tutorial

This tutorial demonstrates Ada's capabilities by creating a program that generates animated rosettas (hypotrochoids) as SVG files. It uses Ada 2022 features and leverages Alire, Ada's package manager, for project management. The tutorial highlights Ada's readability, strong typing, and safety, showcasing its use in geometric computation and SVG rendering. The author emphasizes Ada's suitability as a modern, general-purpose language, despite its reputation for safety-critical applications.

(blog.adacore.com)

Development

Steam Survey: 32GB RAM to Dominate, RTX 4060 Still Strong

2025-09-02

Steam Survey: 32GB RAM to Dominate, RTX 4060 Still Strong

The latest Steam Hardware Survey reveals that 32GB of RAM is poised to become the most popular configuration among Steam gamers, potentially surpassing 16GB by the end of 2025. While the RTX 5060 outperforms the RTX 4060 in new PC sales, the RTX 4060 maintains a significant presence in the Steam survey, possibly due to remaining stock in certain regions or continued sales of pre-built systems. Additionally, the 2560 x 1600 pixel resolution is experiencing the fastest growth, and Windows 11 has exceeded 60% market share.

(www.tomshardware.com)

Game Hardware Trends

Passkeys: Convenience vs. Control – A Growing Concern

2025-09-02

Passkeys: Convenience vs. Control – A Growing Concern

The shift towards passkeys as a replacement for usernames and passwords, while aiming for enhanced security, presents underlying issues. The attestation system allows websites to gather detailed device information, enabling governments to restrict users to specific hardware authenticators. Interoperability between password managers is limited, creating vendor lock-in. Sneaky auto-enrollment tactics by services subtly bind users to their ecosystems. The author expresses concern over increasing reliance on tech giants and complex systems, potentially leading to restricted data access, heightened authentication complexity, and ultimately, a loss of user agency.

(lucumr.pocoo.org)

Tech

X (formerly Twitter) Silently Shadow Bans Turkish Opposition Figure

2025-09-02

X (formerly Twitter) Silently Shadow Bans Turkish Opposition Figure

Following the arrest of Istanbul Mayor Ekrem İmamoğlu on corruption charges, his X account was restricted in Turkey, sparking controversy. While a new account gained some traction, his posts rarely appear on users' timelines, suggesting X is secretly shadow banning him. A poll shows the vast majority of users don't see his tweets, highlighting X's influence in political censorship and the immense political power wielded by Elon Musk.

(utkusen.substack.com)

Tech

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