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lundi 26 juillet 2021, 01:15
The third 5.14 kernel prepatch is out for testing. Here we are, a week later. After a relatively big rc2, things seem to have calmed down and rc3 looks pretty normal. Most of the fixes here are small, and the diffstat looks largely flat. And there's not an undue amount of...
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dimanche 25 juillet 2021, 22:01
The 5.13.5, 5.10.53, and 5.4.135 stable kernels have been released; each contains another set of important fixes.
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samedi 24 juillet 2021, 19:53
After a long pause, the K-9 Android mail client project has released version 5.800. 'The user interface has been redesigned. Some of you will love it, some will hate it. You’re welcome and sorry.' There are also a number of improvements to make background operation work...
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vendredi 23 juillet 2021, 19:09
The DAMON patch set was first covered here in early 2020; this work, now in its 34th revision, enables the efficient collection of information about memory-usage patterns on Linux systems. That data can then be used to influence the kernel's memory-management subsystem; one...
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Security updates have been issued by Arch Linux (chromium, curl, impacket, jdk11-openjdk, jre-openjdk, jre-openjdk-headless, jre11-openjdk-headless, kernel, lib32-curl, lib32-libcurl-compat, lib32-libcurl-gnutls, libcurl-compat, libcurl-gnutls, libpano13, linux-hardened,...
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jeudi 22 juillet 2021, 18:44
Disagreements over which patches should find their way into stable updates are not new — or uncommon. So when the topic came up again recently, there was little reason to expect anything but more of the same. And, for the most part, that is what ensued but, in this...
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Security updates have been issued by Debian (pillow and redis), Fedora (kernel-headers, kernel-tools, kernelshark, libbpf, libtraceevent, libtracefs, nextcloud, and trace-cmd), Gentoo (chromium and singularity), Mageia (kernel, kernel-linus, and systemd), openSUSE (caribou,...
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The LWN.net Weekly Edition for July 22, 2021 is available.
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mercredi 21 juillet 2021, 23:21
A local root hole in the Linux kernel, called Sequoia, was disclosed by Qualys on July 20. A full system compromise is possible until the kernel is patched (or mitigations that may not be fully effective are applied). At its core, the vulnerability relies on a path through...
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Security updates have been issued by Arch Linux (ant, code, dino, firefox-ublock-origin, go, libuv, nextcloud-app-mail, nodejs-lts-erbium, nodejs-lts-fermium, openvswitch, putty, racket, telegram-desktop, and wireshark-cli), Debian (kernel, linux-4.19, and systemd), Fedora...
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Alyssa Rosenzweig goes into the details of the reverse-engineering of the Mali 'Valhall' GPU instruction set. Valhall linearizes Bifrost, removing the Very Long Instruction Word mechanisms of its predecessors. Valhall replaces the compiler’s static scheduling with...
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mardi 20 juillet 2021, 23:48
There is a lot of buzz around the Rust programming language these days—which strikes some folks as irritating, ridiculous, or both. But the idea of a low-level language that can replace C, with fewer built-in security pitfalls, is attractive for any number of projects....
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The Stockfish project, which distributes a chess engine under GPLv3, has announced the filing of a GPL-enforcement lawsuit against ChessBase, which has been (and evidently still is) distributing proprietary versions of the Stockfish code. In the past four months, we,...
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The 5.13.4, 5.12.19, 5.10.52, 5.4.134, 4.19.198, 4.14.240, 4.9.276, and 4.4.276 stable updates have all been released. These are relatively large updates once again, and they include the fix for the just-disclosed local root vulnerability. Note that the 5.12.x series ends...
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Security updates have been issued by Debian (kernel, libjdom1-java, rabbitmq-server, and systemd), Fedora (glibc), Gentoo (libpano13, libslirp, mpv, pjproject, pycharm-community, and rpm), Mageia (glibc, libuv, mbedtls, rvxt-unicode, mxrvt, eterm, tomcat, and zziplib),...
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Commit 8cae8cd89f05 went into the mainline kernel repository on July 19; it puts a limit on the size of buffers allocated in the seq_file mechanism and mentions 'int overflow pitfalls'. For more information, look to this Qualys advisory describing the vulnerability: We...
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lundi 19 juillet 2021, 17:59
The lowly file descriptor is one of the fundamental objects in Linux systems. A file descriptor, which is a simple integer value, can refer to an open file — or to a network connection, a running process, a loaded BPF program, or a namespace. Over the years, the use of...
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As an example of what a 'real' device driver in Rust would look like, Wedson Almeida Filho has posted a translation of the PL061 GPIO driver alongside the original. For ease of reading, the resulting HTML has been reformatted a bit and placed below; viewing in a wide window...
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Stable kernels 5.13.3, 5.12.18, 5.10.51, and 5.4.133 have been released. They all contain important fixes and users should upgrade.
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Security updates have been issued by Arch Linux (chromium, firefox, mbedtls, nextcloud, python-pillow, ruby, ruby2.6, ruby2.7, systemd, thunderbird, varnish, and vivaldi), Debian (thunderbird), Fedora (chromium, firefox, and linux-firmware), Gentoo (apache,...
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