Linux Security on KAD

Ubuntu Moves to Weekly Kernel Releases as AI Accelerates CVEs

Mon, 28 Sep 2026 18:18:42 +0800

Ubuntu Moves to Weekly Kernel Releases as AI Accelerates CVEs

Canonical is changing the release cadence for Ubuntu kernel updates, moving from separate multi-week update cycles to a system capable of delivering a new kernel release every week.

Linux 7.3 Preview: Btrfs Gets 5x Faster as Key Optimizations Land

Tue, 22 Sep 2026 17:50:19 +0800

Linux 7.3 Preview: Btrfs Gets 5x Faster as Key Optimizations Land

📋 Summary: Linux 7.3 is approaching its expected October 18 release and brings improvements across storage, memory management, scheduling, security, and hardware support. Btrfs and EXT4 receive notable performance work, while fixes to KSM, zsmalloc, and scheduling reduce latency under specific workloads. The release also contains substantial NTFS3, ksmbd, and BPF security hardening, with several important optimizations contributed by engineers from Chinese technology companies.

Ubuntu 26.10 Replaces cp, mv and rm With Rust Coreutils

Fri, 18 Sep 2026 22:36:47 +0800

Ubuntu 26.10 Replaces cp, mv and rm With Rust Coreutils

Ubuntu 26.10 is completing a major change to one of the oldest layers of its Linux user space: the default core utilities are moving entirely from GNU coreutils to the Rust-based uutils implementation.

AMD Zen 1–4 Spectre v2 Bypass: Linux Security Impact Explained

Mon, 10 Aug 2026 23:19:45 +0800

AMD Zen 1–4 Spectre v2 Bypass: Linux Security Impact Explained

A new security research paper presented at Black Hat USA has demonstrated a potential bypass of AMD’s Safe RET mitigation for Spectre v2 and Speculative Return Stack Overflow (SRSO).