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LinuxGizmos.com

M5Stack PaperColor is an ESP32-S3 dev kit with Spectra 6 e-paper panel

M5Stack has introduced the PaperColor, a compact development board built around the ESP32-S3R8 processor and a 4-inch Spectra 6 full-color e-paper display. The platform combines wireless connectivity, onboard sensors, audio hardware, battery operation, and expansion interfaces for low-power IoT and embedded display applications.

Wireless-Tag previews IDO Claw ARM platform with OpenClaw pre-installed

Kickstarter recently featured the IDO Claw campaign, a compact ARM-based system from Wireless-Tag designed for local OpenClaw deployment. The fanless platform combines the Rockchip RK3576 processor with LPDDR5 memory, onboard storage, dual Gigabit Ethernet, and hardware video acceleration for always-on AI and edge workloads.

AGL combines Xen, Zephyr, and Linux containers in new SDV platform

Automotive Grade Linux (AGL) has announced the initial availability of its open source SoDeV reference platform for software-defined vehicles (SDVs), along with the addition of five new project members. The platform combines the AGL Unified Code Base (UCB) with Linux containers, VirtIO, Xen, Zephyr RTOS, and additional Linux Foundation technologies for automotive software development.

9to5Linux

Six-Year-Old Linux Kernel Flaw Lets Unprivileged Users Read Root-Owned Files

A proof-of-concept is available as ssh-keysign-pwn, taking advantage of the __ptrace_may_access() function in the Linux kernel, skipping the dumpable check when task->mm == NULL. As such, do_exit() runs exit_mm() before exit_files() (no mm, fds still there) and pidfd_getfd(2) succeeds in that window when the caller’s uid matches the target’s.

Ubuntu 25.10 Users Can Now Upgrade to Ubuntu 26.04 LTS, Here’s How

Ubuntu 26.04 LTS was released on April 23rd, 2026, but the upgrade path wasn’t open until now, not for Ubuntu 25.10 users and not for Ubuntu 24.04 LTS users. Of course, you can always force the upgrade with the update-manager -d command, but I wouldn’t recommend doing so as you might end up with a broken system.

KDE Plasma 6.7 Desktop Environment Is Now Available for Public Beta Testing

Some of the highlights of KDE Plasma 6.7 include per-screen virtual desktops, Wayland session restore, a global push-to-talk feature, a dedicated setup UI for configuring shared printers, a “multi-GPU swapchain” feature for Vulkan support, and a full-featured print queue viewer app.

Fragnesia Is Yet Another Local Privilege Escalation Flaw in Linux Kernel

Fragnesia (CVE-2026-46300) is a bug in the IPsec XFRM ESP-in-TCP subsystem, part of the Dirty Frag vulnerability class. It’s called Fragnesia because the skb “forgets” that a frag is shared during coalescing. The good news this time is that the mitigations for Dirty Frag also apply to Fragnesia.

PipeWire 1.6.5 Brings Extra Security Checks and Hardening Fixes to Pulse Server

Coming three weeks after PipeWire 1.6.4, the PipeWire 1.6.5 release is here to add a whole bunch of extra security checks and hardening fixes to the pipewire-pulse server, improve renegotiation in audioconvert when the graph rate changes and the resampler is disabled, and fix a crash in ALSA when logging.

KDE Receives Over €1M from Sovereign Tech Fund for Software Development

The Sovereign Tech Agency is well known for funding open source projects through its Sovereign Tech Fund program, and it provided over €24.6 million EUR in funding to support more than 60 open source projects globally, including big names like Python Software Foundation, FreeBSD, Eclipse Foundation, OpenStreetMap Foundation (OSMF), and Drupal.

Internet Society

How RightsCon Is an Unexpected Stress Test for the Multistakeholder Model of Internet Governance

The cancellation of RightsCon 2026 is a stark reminder that when opportunities for civic engagement are neutralized, so are stakeholders’ voices. In this case, civil society was denied the ability to meet in person in Lusaka last week to share ideas and opportunities for how to address some of the most urgent digital challenges of our time.

news

Calibre 9.7 E-Book Manager Improves the Annotations Browser and Content Server

posted by Marius Nestor on Apr 10, 2026

Coming two weeks after Calibre 9.6, the Calibre 9.7 release is here to improve the annotations browser by allowing you to group results by any field, and improve the content server by implementing a full offline mode when using HTTPS connections to the content server.

Calibre 9.7 also improves the E-book Viewer with support for handling native pinch-to-zoom gestures on touchpads, with the default action being to change font size, while also fixing a regression that caused the annotations/last read information to not be saved in e-book files.

Read on

Other Recent Tux Machines' Posts

KDE Receives Over €1M from Sovereign Tech Fund for Software Development: The KDE Project will receive over €1 million EUR (~ $1,5 million USD) from The Sovereign Tech Fund to continue and improve software development for KDE Plasma, KDE Linux, and KDE apps.
Ubuntu 25.10 Users Can Now Upgrade to Ubuntu 26.04 LTS, Here’s How: A step-by-step and easy-to-follow tutorial (with screenshots) on how to upgrade your Ubuntu 25.10 (Questing Quokka) installations to Ubuntu 26.04 LTS (Resolute Raccoon).
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Today in Techrights: Some of the latest articles
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