Welcome to the LWN.net Weekly Edition for January 22, 2026
This edition contains the following feature content:
- A free and open-source rootkit for Linux: a look at the Singularity research project.
- Cleanup on aisle fsconfig(): ideas on improving the fsconfig() system call.
- Task-level io_uring restrictions: Jens Axboe is working on a fast-moving patch set to provide better access controls for io_uring.
- Responses to gpg.fail: a pair of security researchers have sparked interesting discussions about GPG and the complexity of OpenPGP implementations.
- Removing a pointer dereference from slab allocations: Al Viro wanders into memory management.
- An alternate path for immutable distributions: a look at the AshOS experiment.
This week's edition also includes these inner pages:
- Brief items: Brief news items from throughout the community.
- Announcements: Newsletters, conferences, security updates, patches, and more.
Please enjoy this week's edition, and, as always, thank you for
supporting LWN.net.