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Four DIY Builds That Outpace Valve’s Steam Machine for Less
technology1 day ago

Four DIY Builds That Outpace Valve’s Steam Machine for Less

Valve’s Steam Machine is a compact, Linux-based gaming PC sold via a signup model, but DIY builds can outperform it on price and performance. The article outlines an affordable AMD MicroATX/Mini-ITX path around Ryzen 7 5700X + RX 7600 (about $917–$1,140) and two faster Intel options using Core Ultra 5 250K Plus + RX 9060 XT (about $1,125–$1,369). SteamOS remains free and Linux-friendly with growing game compatibility, and you can dual-boot or install Windows if you want. Overall, building your own Steam Machine-like rig offers better value and upgradeability than Valve’s official unit.

via PCMag|
#diy-pc#linux#steam-machine
Six-figure bounty awarded for Linux KVM guest-to-host escape flaws
security2 days ago

Six-figure bounty awarded for Linux KVM guest-to-host escape flaws

Google paid $250,000 for Januscape (CVE-2026-53359), a use-after-free flaw in Linux KVM's shadow MMU that can let a malicious guest VM break out and gain root on the host; a separate flaw, GhostLock (CVE-2026-43499), lets limited users escalate to root via futex priority-inheritance. Patches are in the Linux kernel, and users should update to mitigate the risk.

via Ars Technica|
#bug-bounty#guest-vm-escape#kvm
Long-standing Linux kernel flaw lets guest VMs break out to hosts on Intel and AMD
technology2 days ago

Long-standing Linux kernel flaw lets guest VMs break out to hosts on Intel and AMD

Hyunwoo Kim disclosed CVE-2026-53359, a 16-year-old Linux kernel use-after-free in KVM/x86 shadow MMU that enables guest-to-host VM escape on both Intel and AMD CPUs. A successful exploit can grant root on the host and potentially take over all VMs on a multi-tenant machine or crash the host kernel; patch 81ccda30b4e8 was applied in June 2026. Administrators should ensure patched kernels on KVM/x86 hosts, especially in cloud environments, as the risk is real for Google Cloud and AWS users. A PoC and write-up exist, though full public exploitation is not released yet, and attackers could chain with other flaws like Dirty Frag.

via BleepingComputer|
#cloud-security#kernel#kvm
technology4 days ago

AMD Ryzen AI Halo: A Tiny, Open-Source AI Powerhouse for Local Workloads

Phoronix reviews the AMD Ryzen AI Halo, a compact mini PC built around the Ryzen AI Max+ Strix Halo platform, with 128GB unified memory and support for up to 200B-parameter LLMs. It runs Windows 11 or a Debian-based Ryzen AI Developer Platform Linux stack, ships with 2TB Gen5 NVMe, HDMI 2.1b, 10Gb Ethernet, WiFi 7, and a Radeon 8060S GPU in a 150×150×45 mm, ~1.2 kg chassis at 120W, and emphasizes fully open-source software with strong Linux support; a Gorgon Halo variant is planned for the future.

via Phoronix|
#ai#amd#linux
Zero-Day Bad Epoll Flaw Lets Attackers Root Linux and Android
technology6 days ago

Zero-Day Bad Epoll Flaw Lets Attackers Root Linux and Android

A newly disclosed Linux kernel zero-day, Bad Epoll (CVE-2026-46242), enables unprivileged users to escalate to root on Linux servers, desktops, and Android by exploiting a race condition and a use-after-free in epoll’s ep_remove(). The attack can corrupt kernel memory via a freed eventpoll structure, gain memory access through /proc/self/fdinfo, and execute a return-oriented programming chain to spawn a root shell. Because epoll cannot be disabled without breaking core OS/browser functions, the workaround is to apply the upstream patch or a distribution backport; patch timing and deployment are critical as this is easy to chain with existing browser sandboxes.

via CyberSecurityNews|
#android#cybersecurity#epoll
Microsoft launches Fedora-based Azure Linux 4.0 for Azure cloud workloads
technology12 days ago

Microsoft launches Fedora-based Azure Linux 4.0 for Azure cloud workloads

Microsoft released Azure Linux 4.0, a Fedora 43–based, open-source Linux distro tuned for cloud workloads on Azure; it is a minimal, text‑based OS with no GUI, uses the dnf5 package manager, and is available publicly in preview to run on Azure VMs and AKS, with Azure Container Linux as an immutable companion. The move signals Microsoft’s role as a Linux maintainer and aims to offer an end‑to‑end, single‑vendor OS stack with SBOMs, while non‑Azure installations aren’t supported and desktop use isn’t intended; WSL integration is planned for development workflows.

via Windows Latest|
#azure#cloud#fedora
technology12 days ago

Linux 7.2 Kernel Clocks In Over 43 Million Lines of Code

The Linux 7.2 merge window is closing with the kernel source tree surpassing 43.9 million lines of code (43,898,743 total) across 108,158 files, including about 33.65 million code lines, 5.03 million comments, and 5.21 million blank lines. AMDGPU/AMDKFD remains the largest driver at roughly 6.36 million lines. 7.1 stood at ~42.92 million. RC1 is expected later today as the 7.2 release unfolds.

via Phoronix|
#amdgpu#code-count#linux
E-Waste to Gamer Rig: The BC250 Budget Steam Machine
hardware14 days ago

E-Waste to Gamer Rig: The BC250 Budget Steam Machine

An enthusiast repurposes a discarded ASRock BC250 board—an RDNA2-based, crypto-mining unit resembling a neutered PS5—into a budget, Steam Machine–style PC by flashing a new BIOS, reworking cooling, and running Linux; with community tweaks to unlock up to 40 compute units, it achieves roughly GTX 1060 Ti–level performance at 1080p, illustrating open-hardware ingenuity despite setup complexity and higher power use compared with Valve’s Steam Machine.

via Aftermath|
#bc250#e-waste#hardware
Steam Summer Sale 2026 kicks off with Linux-friendly budget picks
technology15 days ago

Steam Summer Sale 2026 kicks off with Linux-friendly budget picks

Steam Summer Sale 2026 is live with massive discounts, and GamingOnLinux highlights Deck-verified, Linux-friendly picks—from top-tier titles like Final Fantasy VII Remake Intergrade and Cyberpunk 2077 to budget under-£10 games like The Binding of Isaac: Rebirth and Batman: Arkham Knight—plus links to the Steam store and a deep-discounts page; the sale ends July 9, 2026 at 5 PM UTC.

via GamingOnLinux|
#deck-verified#discounts#linux
Valve confirms FSR 4 on Steam Machine, but not at launch
technology18 days ago

Valve confirms FSR 4 on Steam Machine, but not at launch

Valve says AMD's FSR 4 upscaler is coming to Steam Machine but won’t be ready at launch; FSR 4 should deliver notably better image quality and allow lower internal render resolutions, easing CPU bottlenecks on SteamOS. The exact release window isn’t fixed, but it’s expected to roll out with Proton updates and automatic upgrades via the AMD software, similar to Windows; on Linux, enabling FSR 4 currently requires manual steps.

via Digital Foundry|
#amd#fsr-4#linux
Valve unlocks DIY Steam Machine era with desktop SteamOS support
gaming18 days ago

Valve unlocks DIY Steam Machine era with desktop SteamOS support

Valve says SteamOS 3.8 now lets you build a Steam Machine using any PC parts, with SteamOS 3.8.10 improving compatibility with newer Intel/AMD hardware. Nvidia driver support is in the works, though it may not arrive this year. For now SteamOS on desktop offers a couch-friendly experience but isn’t designed for dual-booting; you can install SteamOS on a Windows PC by wiping the drive, and DIY builds remain an option while official hardware reservation timelines continue.

via The Verge|
#gaming#linux#nvidia