Tech News Digest - 2025-04-10

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[$] Management of volatile CXL devices

Category: Linux
Tags: Linux
Published: Thu, 10 Apr 2025 18:18:22 +0000
TL;DR: Here is a summary of the text in 2 sentences:

Compute Express Link (CXL) memory is a unique type that can dynamically come and go, making it challenging to manage. A Linux Storage, Filesystem, Memory-Management, and BPF Summit session was held to discuss these challenges and potential solutions for managing CXL memory.
Compute Express Link (CXL) memory is not like the ordinary RAM that one might install into a computer; it can come and go at any time and is often not present when the kernel is booting. That complicates the management of this memory. During the memory-management track of the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit, Gregory Price ran a session on the challenges posed by CXL and how they might be addressed.
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Eight new stable kernels

Category: Linux
Tags: Linux
Published: Thu, 10 Apr 2025 13:45:32 +0000
TL;DR: Here is a summary of the text in 2 sentences:

Greg Kroah-Hartman has released eight stable Linux kernels, including versions 6.14.2, 6.13.11, 6.12.23, and others, which contain important kernel fixes throughout the tree. These releases feature a wide range of bug fixes and improvements to the kernel's stability and functionality.
Greg Kroah-Hartman has announced the release of eight stable kernels: 6.14.2, 6.13.11, 6.12.23, 6.6.87, 6.1.134, 5.15.180, 5.10.236, and 5.4.292. These all contain a large assortment of important kernel fixes throughout the tree.
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[$] Preparing DAMON for future memory-management problems

Category: Linux
Tags: Linux
Published: Thu, 10 Apr 2025 13:39:04 +0000
TL;DR: Here is a summary of the text in 2 sentences:

The Data Access MONitor (DAMON) subsystem provides detailed memory-management statistics and tools for implementing policies based on those statistics. At the 2025 Linux Storage, Filesystem, Memory-Management, and BPF Summit, SeongJae Park led sessions on recent and future developments with DAMON, exploring how it might evolve to improve memory management in the future.
The Data Access MONitor (DAMON) subsystem provides access to detailed memory-management statistics, along with a set of tools for implementing policies based on those statistics. An update on DAMON by its primary author, SeongJae Park, has been a fixture of the Linux Storage, Filesystem, Memory-Management, and BPF Summit for some years. The 2025 Summit was no exception; Park led two sessions on recent and future DAMON developments, and how DAMON might evolve to facilitate a more access-aware memory-management subsystem in the future.
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Security updates for Thursday

Category: Linux
Tags: Linux
Published: Thu, 10 Apr 2025 13:27:26 +0000
TL;DR: Here is a 2-sentence summary:

Multiple Linux distributions have issued security updates to patch vulnerabilities in various packages, including Tomcat, WebKit2GTK3, Chromium, Ghostscript, Docker-containerd, Apache2-mod_auth_openidc, AppArmor, and more. The affected distributions include AlmaLinux, Debian, Fedora, Mageia, Red Hat, SUSE, and Ubuntu, with updates ranging from individual package fixes to entire kernel updates.
Security updates have been issued by AlmaLinux (tomcat and webkit2gtk3), Debian (chromium), Fedora (ghostscript), Mageia (atop, docker-containerd, and xz), Red Hat (go-toolset:rhel8), SUSE (apache2-mod_auth_openidc, apparmor, etcd, expat, firefox, kernel, libmozjs-128-0, and libpoppler-cpp2), and Ubuntu (dino-im, linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux, linux-aws, linux-kvm, linux-lts-xenial, linux-fips, linux-fips, linux-aws-fips, linux-azure-fips, linux-gcp-fips, opensc, and poppler).
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[$] LWN.net Weekly Edition for April 10, 2025

Category: Linux
Tags: General
Published: Thu, 10 Apr 2025 00:33:34 +0000
TL;DR: Here is a summary of the article in 2 sentences:

The latest edition of LWN.net Weekly Edition features articles on topics such as the Debian project leader election, the 6.15 merge window, and coverage of Linux Security Features and Management Module (LSFMM). Additionally, the edition includes briefs on various software updates, including OpenSSH 10.0, OpenSSL 3.5.0, and Rust 1.86.0, as well as announcements of newsletters, conferences, security updates, and patches.
Inside this week's LWN.net Weekly Edition:

• Front: Debian project leader election; 6.15 Merge window; Lots of LSFMM coverage; Joplin.
• Briefs: Firefox hardening; OpenSSH 10.0; Supply chain security; FreeDOS 1.4; OpenSSL 3.5.0; Rust 1.86.0; Quotes; ...
• Announcements: Newsletters, conferences, security updates, patches, and more.

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