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LWN.net

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LWN.net is a comprehensive source of news and opinions from and about the Linux community. This is the main LWN.net feed, listing all articles which are posted to the site front page.

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[$] Reducing undefined behavior in the C language

17:19
As a professor of biomedical engineering, Martin Uecker perhaps does not fit the profile of a typical presenter at Kernel Recipes . He is, however, a longtime Linux user, and works on free software for controlling magnetic resonance imaging (MRI) scanners. He was at the conference to talk about the C programming language, the specific problem of undefined behavior in C, and whether it can eventually be made into a memory-safe language.

Security updates for Monday

17:19
Security updates have been issued by AlmaLinux (firefox, ipa, kernel, libxml2, perl-DBI, python-cryptography, thunderbird, and unbound), Debian (chromium, evolution-data-server, exim4, ghostscript, incus, lemonldap-ng, libheif, nodejs, php8.4, ruby-oj, swift, and vlc), Fedora (chromium, cinnamon, cinnamon-desktop, cinnamon-session, cinnamon-settings-daemon, ckermit, dnf5, forgejo, goose, gssntlmssp, libheif, libpcap, librsvg2, mingw-gstreamer1, mingw-gstreamer1-plugins-bad-free, mingw-gstreamer…

Kernel prepatch 7.3-rc5

0:14
The 7.3-rc5 kernel prepatch is out for testing. Linus said: " I don't think there's any real pattern to it other than 'big'. But nothing looks particularly alarming, I think that despite the diffstat it's just the same old, same old. "

GDB 18.1 released

26.září
Version 18.1 of the GDB interactive debugger has been released. Changes include new commands to manipulate the environment of the subprocess, the ability to save the command history to a file, support for a couple of new targets, several Python API additions, and more. See the NEWS file for the complete list.

[$] How KDE got funding to add enterprise features

25.září
The Sovereign Tech Agency (STA) is investing nearly €1.3 million in KDE through 2027. At Akademy 2026 in Graz, Austria, Nate Graham and Kevin Ottens, two of the contributors who helped bring in the investment, explained how the funding was secured, provided tips on how projects should approach organizations like STA, and talked about how that money will be improving KDE for everyone. In addition to keeping the community informed about the work, the pair hoped to pass on what they have learned t…

Two stable kernels for Friday

25.září
Greg Kroah-Hartman has announced the release of the 7.2.8 and 6.18.54 stable kernels. Each contains a number of important fixes throughout the tree; users are advised to upgrade.

A summary from the 2026 Git Contributors' Summit

25.září
Johannes Schindelin has posted a detailed summary of the discussions held at the 2026 Git Contributors' Summit. Topics covered include Git 3.0, security process, documentation, the pluggable object database, use of LLMs, and more.

Security updates for Friday

25.září
Security updates have been issued by AlmaLinux (kernel, kernel-rt, perl-DBI:1.641, and unbound), Debian (jq, libreoffice, openssl, and redis), Fedora (389-ds-base, bcm283x-firmware, cockpit, flatpak-builder, mingw-gdk-pixbuf, openssl3, pcs, rust-cryptoki, squid, uboot-tools, and webkitgtk), Mageia (fuse3, perl-Net-DNS, python-gitpython, python-webob, thunderbird, thunderbird-l10n, and unbound), Oracle (postgresql:12, postgresql:15, postgresql:16, and skopeo), Slackware (php), SUSE (alloy, amazo…

F-Droid 2.0: A new chapter for Android freedom

24.září
The F-Droid project has announced the release of F-Droid 2.0, which is a complete redesign of the official app. Notable changes in the release include making it easier to discover and install applications, more useful app categories, improved search, and much more. For more than a decade, F-Droid has helped people discover and install free and open source Android apps. F-Droid 2.0 builds on that foundation with a modern interface, better app discovery, improved search, and a simpler experience …

Research into file-notification attacks on Linux

24.září
Sudheendra Raghav Neela, a member of a group of researchers from Graz University of Technology , has announced the release of research into file-notification attacks that would allow spying on user activity on Android, Linux, macOS, and Windows. The group has published a paper with details on the research as well as a web site with demonstrations of the vulnerabilities. On Linux, an attacker can use inotifywatch to monitor a directory to conduct an inter-keystroke timing attack—even if they do …

[$] Listening to the radio with Rust

24.září
Many of the transmissions sent over the radio spectrum can be decoded with a relatively cheap hardware dongle. Thomas Eckert presented at RustConf 2026 in Montreal about his hobby: decoding radio transmissions with Rust. In his presentation, he covered all of the math necessary to get started with software-defined radio , and gave demonstrations of listening to AM and FM radio, as well as decoding transmissions from aircraft transponders. His slides and example code are available on GitHub.

The Kernel Report 2026 edition

24.září
After a two-year hiatus, LWN's Jonathan Corbet presented an updated edition of his Kernel Report at the Kernel Recipes conference. Corbet looked at what is happening in the kernel community, how it's dealing with a period of accelerated change, and where things might go in the future. Video of the talk is available on YouTube for those who'd like to tune in.

Security updates for Thursday

24.září
Security updates have been issued by AlmaLinux (buildah, containernetworking-plugins, firefox, kernel, kernel-rt, openexr, perl-DBI, podman, postgresql, postgresql16, postgresql:15, runc, skopeo, and tar), Debian (libdatetime-timezone-perl, tzdata, xdg-dbus-proxy, and znc), Fedora (chromium, evolution, evolution-data-server, evolution-ews, kernel, libheif, mingw-pcre2, nginx-mod-modsecurity, unbound, and webkitgtk), Mageia (borgbackup, coreutils, firefox, nss, kbd, libnfs, libwebsockets, perl-U…

[$] LWN.net Weekly Edition for September 24, 2026

24.září
Inside this week's LWN.net Weekly Edition: Front : Git 2.56; gccrs; NetBSD and compat_linux; io_uring; Desktop UX. Briefs : WordPress vulnerability; Radicle vulnerability; Systemtap 5.6; GNOME 51; Systemd v262; Quotes; ... Announcements : Newsletters, conferences, security updates, patches, and more.

[$] Ideas on modernizing the open-source desktop

23.září
Scott Jenson has been working on user interfaces (UIs) and user experience (UX) for many years at Apple, Google, and other companies. Now, he's trying to convince open-source projects to experiment more and drive the desktop beyond the age-old " windows, icons, menus, pointer " (WIMP) model. At Akademy 2026 , KDE's annual developer conference, he shared his complaints and ideas in a talk aimed at convincing those in attendance to take the lead on desktop design.
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