// Topic

Linux

Security2026.07.075 min

OpenSSH 10.4 Hardens The Quiet Path

OpenSSH 10.4 is not a flashy remote-access release. It is the kind operators should notice anyway: stricter sandbox failure behavior, tighter rekey handling, SFTP and SCP security fixes, and a cautious post-quantum signature experiment.

Tundrabit
Linux2026.07.065 min

Ubuntu ARM64 Stops Feeling Like A Port

Canonical's latest Ubuntu-on-ARM update is less about one flashy device and more about architecture parity: main archive delivery, Livepatch, Secure Boot laptop work, FEX-backed gaming, and a shrinking desktop software gap.

Tundrabit
Linux2026.06.285 min

RAID5 Still Has a Contention Budget

A new Linux MD RAID5 patch series is a useful reminder that storage performance is not only about disks. Once an array has enough drives and enough cores, the shared bookkeeping around stripes can become the workload.

Tundrabit
Linux2026.05.195 min

Linux Has Another Page-Cache Root Bug

DirtyDecrypt is the latest Linux local privilege escalation tied to page-cache corruption, and public proof-of-concept code makes it a priority for rolling-release systems and exposed developer workstations.

Tundrabit
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