Hírolvasó

A new kernel testing tree

10 hónap 3 hét óta
Sasha Levin has announced a new tree that is intended to perform continuous-integration tests of pull requests aimed at the mainline. The plan is for this tree to hold more finished work than sometimes ends up in linux-next; in a name that seems destined to create typographical confusion, it is called "linus-next".

The linus-next tree aims to provide a more stable and testable integration point compared to linux-next, addressing the runtime issues that make testing linux-next challenging and focusing on code that's about to be pulled by Linus.

corbet

[$] Python PGP proposal poses packaging puzzles

10 hónap 3 hét óta

Sigstore is a project that is meant to simplify and improve the process of signing, verifying, and protecting software. It is a relatively new project, declared "generally available" in 2022. Python is an early adopter of sigstore; it started providing signatures for CPython artifacts with Python 3.11 in 2022. This is in addition to the OpenPGP signatures it has been providing since at least 2001. Now, Seth Michael Larson—the Python Software Foundation (PSF) security developer-in-residence—would like to deprecate the PGP signature and move to sigstore exclusively by next year. If that happens, it will involve some changes in the way that Linux distributions verify Python releases, since none of the major distributions have processes for working with sigstore.

jzb

Security updates for Monday

10 hónap 3 hét óta
Security updates have been issued by Debian (asterisk, chromium, php-horde-mime-viewer, and php-horde-turba), Fedora (apache-commons-io, buildah, chromium, containers-common, libarchive, libdigidocpp, oath-toolkit, podman, rust-hyper-rustls, rust-reqwest, rust-rustls-native-certs, rust-rustls-native-certs0.7, rust-tonic, rust-tonic-build, rust-tonic-types, rust-tower, rust-tower-http, rust-tower-http0.5, rust-tower0.4, thunderbird, and unbound), SUSE (buildah, chromedriver, chromium, element-desktop, element-web, jetty-annotations, nodejs-electron, php7, php74, php8, podman, python3-virtualbox, qemu, thunderbird, and valkey), and Ubuntu (amd64-microcode).
jake

A vulnerability in the Guix build system

10 hónap 3 hét óta

The Guix project has disclosed a security vulnerability in the build daemon that the distribution uses to build and install software locally. The vulnerability allows an existing unprivileged user to get access to a setuid binary, and from there potentially interfere with any other software built or installed on the computer. The project recommends upgrading the guix daemon now, to avoid the issue.

This exploit requires the ability to start a derivation build and the ability to run arbitrary code with access to the store in the root PID namespace on the machine the build occurs on. As such, this represents an increased risk primarily to multi-user systems and systems using dedicated privilege-separation users for various daemons: without special sandboxing measures, any process of theirs can take advantage of this vulnerability.
daroc

Ismét meghackelték az internet archívumát

10 hónap 3 hét óta
Megint adatokat loptak az Internet Archive-tól, éppen miközben az üzemeltetők a közelmúltban kivitelezett kibertámadásban érintett szolgáltatások visszaállításán dolgoztak.
HWSW

Kernel prepatch 6.12-rc4

10 hónap 3 hét óta
Linus has released 6.12-rc4 for testing. "I'm not happy with how big this is - it's probably far from the biggest rc4 ever, but it _is_ the biggest rc4 we've had in the 6.x series at least in number of commits."
corbet

[$] The long road to lazy preemption

10 hónap 4 hét óta
The kernel's CPU scheduler currently offers several preemption modes that implement a range of tradeoffs between system throughput and response time. Back in September 2023, a discussion on scheduling led to the concept of "lazy preemption", which could simplify scheduling in the kernel while providing better results. Things went quiet for a while, but lazy preemption has returned in the form of this patch series from Peter Zijlstra. While the concept appears to work well, there is still a fair amount of work to be done.
corbet

Security updates for Friday

10 hónap 4 hét óta
Security updates have been issued by AlmaLinux (java-1.8.0-openjdk, java-11-openjdk, java-17-openjdk, java-21-openjdk, and webkit2gtk3), Debian (apache2), Red Hat (expat), SUSE (cups-filters, jetty-minimal, OpenIPMI, and python-starlette), and Ubuntu (linux-azure, linux-azure, linux-azure-5.15, linux-azure, linux-azure-5.4, and oath-toolkit).
daroc