The kernel's user-space ABI does not lack for ring buffers; they have been defined for subsystems like BPF, io_uring, perf, and tracing, for example. Naturally, each of those ring buffers is unique, with no common interface between them. The natural response to this ABI proliferation is, of course, to add yet another ring buffer as the generic...

Security updates have been issued by AlmaLinux (cockpit, kernel, kernel-rt, libxml2, ruby:3.1, and tomcat), Debian (libarchive, pillow, and tinyproxy), Fedora (apptainer), Mageia (amavisd-new and libxml2), Oracle (edk2), Red Hat (booth, cockpit, kernel-rt, less, libxml2, nghttp2, ruby:3.1, ruby:3.3, and tomcat), Slackware (kernel), and Ubuntu (atril,...

The LWN.net Weekly Edition for June 6, 2024 is available.

There are two types of file I/O on Linux, buffered I/O, which goes through the page cache, and direct I/O, which goes directly to the storage device. The performance of buffered I/O was reported to be a lot worse than direct I/O, especially for one specific test, in Luis Chamberlain's topic proposal for a session at the 2024 Linux Storage, Filesystem,...

Version 2024.2 of the Kali Linux penetration testing distribution has been released. This release includes an update to GNOME 46, a high-resolution (HiDPI) mode for Xfce, as well as a number of new packages such as the AutoRecon network reconnaissance tool, pspy command-line utility for snooping on Linux processes, and SploitScan tool for fetching...

Version 14.1 of FreeBSD has been released. This is the second release of the 14.x stable branch. Highlights of this release include upgrades to OpenZFS 2.2.4, Clang/LLVM 18.1.5, and OpenSSH 9.7p1. FreeBSD 14.1 also features cloud-init support, sound subsystem improvements, and more. See the what's new blog post from the FreeBSD Foundation, release...