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LWN.net

[$] Securing BPF LSMs against tampering

Since 2020, BPF programs have been able to act as Linux security modules (LSMs). Several projects, including systemd, have been working to use that capability to provide more security to users. Christian Brauner spoke at the 2026 Linux Storage, Filesystem, Memory-Management, and BPF Summit about some of the limitations of using BPF in this way, and the changes he would like to see for systemd's use. In particular, he would like a way to make sure that BPF programs cannot be removed or have their private data tampered with.

Phoronix

Noctua NL-LC1-36 All-In-One Liquid Cooler

With reviewing hardware for more than 22 years, when it comes to cooling products there are few brands that can still get me intrigued like Noctua. With their recent launch of the NL-LC1 all-in-one liquid coolers, I decided to try out the Noctua NL-LC1-36 360mm AIO cooler that is working out well for cooling high-end desktop CPUs like the recently launched Ryzen 9 9950X3D2.

LWN.net

Security updates for Friday

Security updates have been issued by AlmaLinux (cifs-utils, container-tools:rhel8, libreoffice, nodejs:24, perl-XML-LibXML, and python3.12), Fedora (ansible-collection-ansible-posix, firefox, freerdp, ImageMagick, mingw-glib2, perl-DBI, perl-HTTP-Date, rust-cargo-rpmstatus, and rust-opendal), Oracle (cifs-utils, gegl, gimp, git-lfs, go-toolset:ol8, hplip, kernel, libreoffice, maven:3.9, perl-XML-LibXML, python3, python3.12, python3.9, and uek-kernel), Red Hat (kernel, kernel-rt, and podman), Slackware (netatalk), SUSE (agama, aws-nitro-enclaves-binaryblobs-upstream, gimp, gpsd, grafana, hostapd, ImageMagick, jackson-databind, kernel, libssh2_org, nm-configurator, opennlp, perl-Mojolicious, python-Pillow, python-python-engineio, python-python-socketio, and tomcat11), and Ubuntu (ntfs-3g, python-authlib, ruby2.3, tar, and ubuntu-advantage-tools).

Phoronix

Linux WMI Driver Gets Ready To Support ACPI-Based ARM64 Laptops

Linux developer Armin Wolf sent out a set of patches today for enabling AArch64 support for the ACPI Windows Management Instrumentation (WMI) driver to work on AArch64 in no longer being bound to x86/x86_64. This is a step toward the long goal of being able to support modern Windows on ARM laptops via ACPI on Linux...

Phoronix

AMD Preps More Graphics Driver Improvements For Linux 7.3

Since earlier this month AMD has begun staging graphics driver changes for Linux 7.3 ahead of the merge window opening in late July. That's brought some interesting changes so far while there still are a few weeks to land any additional features in DRM-Next. This week another batch of AMDGPU graphics driver and AMDKFD compute driver feature code was sent out for this next kernel version...