CVE-2026-98432 Linux Kernel Flaw: How to Check and Patch Your Servers
CVE-2026-98432 hits the Linux kernel’s TCP/IPv4 code from version 4.4 onwards. Commands to check whether your server is exposed and how to update Debian, Ubuntu and RHEL.
Category: Linux
PHP2Shell post-mortem: package sources, embargoes and unsupported branches
The PHP2Shell fix reached servers at very different times depending on who packaged PHP, and some branches only got it through paid support. Lessons for sysadmins.
VMware alternatives this week: Tesco, Red Hat, VergeOS, Talos and KubeVM
Tesco plans to move store edge systems from VMware to Proxmox, IBM embeds OpenShift Virtualization, VergeOS 26.2 speeds up migrations, Talos Hypervisor hits alpha, and Nutanix and VMware manage VMs from Kubernetes.
LordOS: a Debian-based distro with its own display server and a visible firewall
LordOS is a free Debian 13-based distribution from Argentina’s iPERFEX with its own display server and Wayland compositor, a per-app firewall and sandboxed apps. It is still in beta.
OpenSSL 4.1: What Changes for Sysadmins and Which Branch to Run
OpenSSL 4.1.0 adds DTLS 1.3 and GREASE, drops no-ecdsa and no-ecdh and ships with four known DTLS issues, while OpenSSL 3.6 loses support on 1 November 2026.
Running a 125B MoE in production on a DGX Spark: what actually worked
A developer runs Qwen3.8-Flash-Next as the only production LLM on a 128 GB DGX Spark with vLLM, NVFP4 and FP8, and publishes the full setup on GitHub.
noVNC at 16: the browser VNC client behind Proxmox and OpenStack consoles
noVNC, the HTML5 VNC client Joel Martin created in 2010, turns 16, maintained by Cendio and embedded in the Proxmox VE and OpenStack web consoles.
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.
Critical PHP Flaws: What Sysadmins Should Do Before and After the Patch
PHP ships fixes for two CVSS 9.2 vulnerabilities today at 14:00 UTC. How to inventory versions, update packages and containers, restart services and mitigate the risk until you can patch.
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.
You might be interested in...
