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Kernel

A collection of 3 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.

Copy Fail (CVE-2026-31431): The 9-Year-Old Linux Bug That Hands Out Root in Seconds

Copy Fail (CVE-2026-31431): The 9-Year-Old Linux Bug That Hands Out Root in Seconds

A 732-byte Python script can take any unprivileged Linux account to root on virtually every distribution shipped since 2017. Here is what Copy Fail does, who is at risk, and exactly how to patch it.