Welcome to the LWN.net Weekly Edition for March 19, 2026

• Cindy Cohn on privacy battles old and new: a SCALE 23x keynote about the Electronic Frontier Foundation's history of protecting privacy and what's to come.
• More timing side-channels for the page cache: securing the Linux kernel is a never-ending job.
• Practical uses for a null filesystem: making life easier for init programs and more.
• Fedora ponders a "sandbox" technology lifecycle: a proposal to make the Fedora project a friendlier place for experimentation.
• A safer kmalloc() for 7.0: a new set of type-safe memory-allocation functions for the kernel.
• BPF comes to io_uring at last: after five years, Pavel Begunkov's patch set to allow running BPF programs from within io_uring is finally in.

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.