Hírolvasó

Greg Kroah-Hartman has announced the release of the 6.16.5, 6.12.45, 6.6.104, 6.1.150, 5.15.191, 5.10.242, and 5.4.298 stable kernels. Each contains important fixes throughout the kernel tree; users should upgrade.

Deadlocks are a constant threat in concurrent settings with shared data; it is thus not surprising that the kernel project has long since developed tools to detect potential deadlocks so they can be fixed before they affect production users. Byungchul Park thinks that he has developed a better tool that can detect more deadlock-prone situations. At the 2025 Open Source Summit Europe, he presented an introduction to his dependency tracker (or "DEPT") tool and the kinds of problems it can detect.

Security updates have been issued by AlmaLinux (httpd:2.4, kernel, pam, postgresql:12, and python3.12), Debian (clamav and node-cipher-base), Fedora (exiv2 and libsixel), Oracle (httpd, kernel, pam, postgresql:12, postgresql:13, postgresql:15, and udisks2), SUSE (gimp, libmupen64plus-devel, munge, nvidia-open-driver-G06-signed, ovmf, postgresql15, python-aiohttp, python-Django, rav1e, redis, and ruby2.5), and Ubuntu (ffmpeg, kdepim, kf5-messagelib, kmail, kmail-account-wizard, linux-azure, linux-azure-6.8, linux-azure-nvidia, php7.0, php7.2, php7.4, protobuf, python-django, ruby2.5, ruby2.7, ruby3.0, ruby3.2, ruby3.3, and rubygems).

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Inside this week's LWN.net Weekly Edition:

• Front: Maintaining curl; GNOME governance; Guix in Debian; Tracking untrusted data in the kernel; 32-Bit support; systemd v258.
• Briefs: bcachefs maintenance; Linux from Scratch 12.4; ELF spec; Niri 25.08; Python documentary; GNOME executive director; Quotes; ...
• Announcements: Newsletters, conferences, security updates, patches, and more.

Version 2025.9 of the Home Assistant home automation system has been released. Changes include a new experimental dashboard that is eventually meant to become the default, a number of tile-card improvements, a reworked automation editor, several new integrations, and more.

Version 25.08 of the niri scrollable-tiling Wayland compositor has been released. Notable changes include xwayland-satellite integration, modal exit confirmation, and the introduction of basic support for screen readers:

A series of posts by fireborn earlier this year on the screen reader situation in Linux got me curious: how does one support screen readers in a Wayland compositor? The documentation is unfortunately scarce and difficult to find. Thankfully, @DataTriny from the AccessKit project came across my issue, pointed me at the right protocols, and answered a lot of my questions.

So, as of this release, niri has basic support for screen readers! We implement the org.freedesktop.a11y.KeyboardMonitor D-Bus interface for Orca to listen and grab keyboard keys, and we expose the main niri UI elements via AccessKit. [...]

The current screen reader support and further considerations are documented on the new Accessibility wiki page.

LWN covered niri in July.

Version 12.4 of Linux From Scratch (LFS) and Beyond Linux From Scratch (BLFS) have been released. LFS provides step-by-step instructions on building a customized Linux system entirely from source, and BLFS helps to extend an LFS installation into a more usable system. Notable changes in this release include updates to GNU Binutils 2.45, GCC 15.2, GNU C Library (glibc) 2.42, and Linux 6.15.1. See the Changelog for all updates since 12.3.

The Linux kernel has to handle many different sources of data that should not be trusted: user space, network connections, and removable storage, to name a few. The kernel has to remain secure even if one of these sends garbled (or malicious) data. Benno Lossin has been working on an API for kernel Rust code that makes it harder to accidentally make decisions based on data from user space. That work is now on its fourth revision, and Lossin has asked kernel developers to experiment with it and see where problems remain, making this a good time to look at the proposed API.

During the opening of RustConf 2025 in Seattle, Washington, the Rust Foundation announced a new initiative to provide financial and administrative support to open-source Rust projects. The first project to benefit from the new Rust Innovation Lab is Rustls, an implementation of TLS in Rust. The foundation welcomes inquiries from other projects. Dr. Rebecca Rumbul, Executive Director of the Rust Foundation said:

Rustls is hopefully the first of many really good [...] projects that will find a home in the foundation.

Cary Coutant has announced a draft for version 4.3 of the Executable and Linking Format (ELF) object file format. The specification was formerly part of the Unix System V Release 4 (SVR4) gABI document:

The last published gABI documents were the Fourth Edition and a draft of Edition 4.1, both published in March 1997. The ELF portions of the document were updated several times between 1998 and 2015, published online [...]

I've published the last draft from 2015 as Version 4.2, and collected the several changes since then, along with new e_machine values, as Version 4.3.

The source for the draft is on GitHub in reStructuredText format, and Coutant has collected the mailing list discussions for changes in 4.3 as GitHub issues. Thanks to Jose E. Marchesi for the tip.

Security updates have been issued by AlmaLinux (httpd, kernel, and kernel-rt), Debian (python-eventlet and python-h2), Mageia (aide, gnutls, tomcat, and vim), Oracle (httpd, mod_http2, postgresql:15, python3.11, python3.12, python3.9, and udisks2), Red Hat (kernel, postgresql, postgresql:12, and postgresql:15), SUSE (dcmtk, jupyter-bqplot-jupyterlab, kured, libudisks2-0, munge, python-eventlet, python-future, python311-eventlet, rekor, traefik2, and ucode-intel), and Ubuntu (linux-aws, linux-azure-5.15, linux-gcp-6.8, linux-gke, linux-gkeop, linux-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-raspi, linux-gke, linux-ibm-5.15, linux-kvm, and protobuf).

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