Ubuntu 26.10 Is Out: Linux 7.3, GNOME 51 and Rust Coreutils
Ubuntu 26.10 Stonking Stingray ships Linux 7.3, GNOME 51, Rust coreutils, Sequoia PGP for APT, OpenSSL 4 and a split OpenSSH package that admins should review before upgrading.
Tag: Kernel
Linux 7.4 Emulates Two-Byte cmpxchg as Some Old CPUs Face Removal
Linux 7.4 adds cmpxchg_emu_u16() to emulate two-byte cmpxchg on SH, ARC, C-SKY and Xtensa. Paul E. McKenney warns some older systems may soon lose support.
Canonical Accelerates Ubuntu Kernel Updates as AI Finds More Vulnerabilities
Canonical is changing the way Ubuntu kernel security updates are prepared and released as the volume of vulnerabilities identified through automated security analysis continues to grow. The company will move
Four Linux Kernel Vulnerabilities Allow Local Users to Escalate to Root
Four vulnerabilities discovered in different Linux kernel networking subsystems allow a local unprivileged account to escalate its privileges to root on affected systems. The flaws, dubbed DirtyAH6, TUNderflow, PPPoEject and
When Microsoft Paid for a Benchmark and Linux Ended Up Fixing the Kernel
In 1999 Microsoft funded a benchmark comparing Windows NT Server 4.0 with Linux 2.2.2. The result hit the Linux community hard: Windows appeared to be 2.5 times faster at file
macOS Internals: Why XNU Combines Mach and BSD in a Single Kernel
System administrators who work with both Linux servers and macOS workstations will find plenty of familiar concepts when opening Terminal: processes, signals, sockets, permissions, file descriptors, and POSIX system calls.
Linux 7.3 could be one of the most performance-focused kernel releases in years
Linux 7.3 is still under development, but the improvements landing during its merge window point to a particularly interesting release for storage, latency, memory management and hybrid processors. Btrfs, EXT4,
Linux 7.2 Arrives With CPU, Btrfs, Memory, KVM and AMDGPU Improvements
Linux 7.2 is now available as a stable release, bringing changes of particular interest to system administrators, infrastructure teams and Linux users working with many-core servers, Btrfs storage or virtualization.
How Linux Could Change Kernels Without Taking Workloads Offline: KHO and LUO Explained
Updating the Linux kernel remains one of those operations that makes system administrators check the maintenance window twice. Live patching can fix certain vulnerabilities without rebooting, but installing an entirely
Linux 7.1 Sees AI-Assisted Patches Surge, Putting Maintainers Under Pressure
Linux 7.1 arrived on 14 June 2026 with a figure that captures the change sweeping through software development: 530 people contributed to the kernel for the first time during this
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