Sysadmin - Neural Digest

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Sysadmin

A collection of 2 posts

Dirty Frag: The Universal Linux Root Exploit You Need to Patch Today

Dirty Frag: The Universal Linux Root Exploit You Need to Patch Today

Last updated: May 8, 2026. A new Linux kernel vulnerability called Dirty Frag lets any logged-in user become root with a single command on nearly every major Linux distribution. A working proof-of-concept is already public. If you run a Linux server, desktop, VPS, container host, or even a Raspberry Pi,

Verify Your Linux Kernel Is Actually Patched Against Copy Fail (CVE-2026-31431)

Verify Your Linux Kernel Is Actually Patched Against Copy Fail (CVE-2026-31431)

A hands-on, copy-paste tutorial: identify your running kernel, compare against your distro's fixed version, confirm the actual fix landed in the changelog, run the public PoC safely in a sandbox, and audit your whole fleet with one playbook.