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wire 2026-05-23
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KERNEL 7.0.9-ARCH2 LANDS WITH CRITICAL SECURITY AND NETWORKING FIXES

By RepoJournal · Filed · About Arch Linux · Composed from the cited sources · methodology

Arch Linux kernel patches hit the wire overnight, addressing unprivileged namespace vulnerabilities and fixing a malformed scatterlist bug that could corrupt memory buffers.

The new v7.0.9-arch2 kernel [1] ships four critical patches directly on top of stable, including a sysctl to disable unprivileged CLONE_NEWUSER namespaces, a udmabuf fix for malformed scatterlists, and two network stack coalescing fixes that preserve frag markers. This lands as the kernel tree continues absorbing 7.1-rc5 power management fixes [2] for Intel Pstate frequency computation on newer processors, alongside ACPI battery wakeup fixes [3] that unbreak critical battery notifications. ARM64 [4] and s390 [5] also merged architecture-specific fixes for probe handling and PAI counter reporting. On the infrastructure side, the Synapse Matrix server bumped to 1.153.0 and draupnir to v3.1.0 [6] [7], but a shell configuration mistake was quickly caught and reverted before it could propagate [8]. The repos also absorbed routine package updates across GNOME Software, Evolution, and toolchain dependencies [9] [10] .

Action items

References

  1. [1] Arch Linux kernel v7.0.9-arch2 ↗ archlinux/linux
  2. [2] Merge tag 'pm-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm archlinux/linux ↗
  3. [3] Merge tag 'acpi-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm archlinux/linux ↗
  4. [4] Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux archlinux/linux ↗
  5. [5] Merge tag 's390-7.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux archlinux/linux ↗
  6. [6] matrix: Update synapse to 1.153.0 ↗ archlinux/infrastructure
  7. [7] matrix: Update draupnir to v3.1.0 ↗ archlinux/infrastructure
  8. [8] Revert default user shell to bash ↗ archlinux/infrastructure
  9. [9] update gnome-software to 50.2-1 in extra-x86_64 archlinux/state ↗
  10. [10] update evolution-ews to 3.60.2-1 in extra-x86_64 archlinux/state ↗

$ ls archlinux/reviews/ # the step-back reads

the week in review Kernel v7.2.4-arch1 ships with userns sysctl the month in review August's Arch: AUR hardening, kernel churn, and steady package flow
Full archive → Weekly reviews →

Quick answers

What shipped in Arch Linux on May 23, 2026?
Arch Linux kernel patches hit the wire overnight, addressing unprivileged namespace vulnerabilities and fixing a malformed scatterlist bug that could corrupt memory buffers. In total, 63 commits and 1 releases landed.
What were the notable Arch Linux updates?
Arch Linux kernel v7.0.9-arch2, Merge tag 'pm-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm, and Merge tag 'acpi-7.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.
♥

$ log @archlinux --recent

Felix Yan promotes the xmonad stack to extra, moor lands at 2.19.2 50 shipped Synapse 1.161.0 lands in infrastructure, anki promoted to extra 70 shipped Arch ships a CLONE_NEWUSER kill switch in v7.2.6-arch2 59 shipped mise and asusctl land in extra, tracexec hits 1.0 50 shipped

$ log --all # elsewhere on the wire

Alignment & Post-training verl rejects conflicting vLLM engine_kwargs, open-instruct adds MILES OPD behind a Megatron learner Interpretability nnsight 0.8.0 cuts import time from 7.6s to 1.6s

$ ls showcases/

Safety Evals AI Red Teaming Agent Security Interpretability Alignment & Post-training

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