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LWN.net

Security updates for Wednesday

Security updates have been issued by AlmaLinux (container-tools:rhel8, kernel-rt, libreoffice, nodejs:22, nodejs:24, opentelemetry-collector, perl-HTTP-Daemon, and python-markdown), Debian (dpkg, imagemagick, and postfix), Fedora (betterleaks, docker-compose, firefox, helm, perl-Compress-Raw-Bzip2, perl-IO-Compress, perl-JavaScript-Minifier-XS, python-cramjam, python-fastar, python-pillow-jxl-plugin, python-rignore, and tor), Oracle (grafana, grafana-pcp, and ruby:4.0), Slackware (tftp), SUSE (gi-docgen, glibc, helm, helm3, json-c-devel, kubevirt-1.6, librpmbuild10, python313-dulwich, python313-lxml_html_clean, python313-openapi-spec-validator, and sdbootutil), and Ubuntu (ruby-addressable).

Phoronix

Single vs. Dual Channel Memory Performance With The Intel Core Ultra 7 270K Plus

Given today's pricing environment around system memory, a Phoronix Premium supporter recently requested some benchmarks to quantify the performance difference from single to dual channel memory. In considering a new computer build, he is contemplating whether to go for a single stick of DDR5 memory until memory prices hopefully subside in the future. For those in a similar boat, here are some benchmarks of single versus dual channel memory on an Intel Core Ultra 7 270K Plus "Arrow Lake" desktop.

Phoronix

Linux 7.3 To Make It Easier To Disable Syscall User Dispatch

Introduced to the Linux kernel nearly six years ago was the Syscall User Dispatch feature to help with Linux gaming. Specifically, Syscall User Dispatch was developed to help Windows games run on Linux more efficiently. While it was upstreamed in Linux 5.11 for more efficiently intercepting system calls from Windows software under Wine, now in the name of security there are patches working their way to the mainline kernel to more easily disable it...

OMG! Ubuntu

TUXEDO OS drops Ubuntu to rebase on Debian Testing

TUXEDO Computers is rebasing TUXEDO OS on Debian, moving away from Ubuntu. The German Linux hardware company launched TUXEDO OS in 2022, using a fixed Ubuntu LTS base, KDE Plasma and scores of optimisations and first-party software to support its own hardware – though it was free to download and install on any machine. Four years into that approach, TUXEDO’s had enough. TUXEDO lists a number of reasons behind ditching Ubuntu for Debian. Among them, the LTS base. The company brings newer browsers, GPU drivers and Plasma desktop versions to users, but backporting core Qt packages can break Ubuntu-repo packages, […]