Title: commands  - Immanuel Raj

---

# Tag: commands

 * [⌊How I Audited 41 Ubuntu Servers for CVE-2026-31431 “Copy Fail” — and What I
   Found⌉⌊How I Audited 41 Ubuntu Servers for CVE-2026-31431 “Copy Fail” — and What
   I Found⌉[
 * 
   ## 󠀁[How I Audited 41 Ubuntu Servers for CVE-2026-31431 “Copy Fail” — and What I Found](https://immanuelraj.dev/copy-fail-cve-2026-31431-ubuntu-audit/)󠁿
   
 * [May 5, 2026](https://immanuelraj.dev/copy-fail-cve-2026-31431-ubuntu-audit/)
 * —
 * by
 * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/)
 * in [Linux](https://immanuelraj.dev/category/linux/), [Security](https://immanuelraj.dev/category/security/),
   [Self Hosting](https://immanuelraj.dev/category/self-hosting/)
 * Read Time
 * 5–8 minutes
 * CVE-2026-31431 “Copy Fail” is a HIGH severity Linux kernel vulnerability that
   lets any local user gain root. I audited all 41 of my Ubuntu servers, found one
   actively exposed, applied the mitigation, and checked for compromise. Here’s 
   the full technical breakdown.
 * 
   ## 󠀁[Linux Saviours](https://immanuelraj.dev/linux-saviours/)󠁿
   
 * [January 19, 2024](https://immanuelraj.dev/linux-saviours/)
 * —
 * by
 * [Immanuel Raj](https://immanuelraj.dev/author/iamimmanuelraj/)
 * in [Linux](https://immanuelraj.dev/category/linux/)
 * Read Time
 * 9–14 minutes
 * Few Basic linux (Ubuntu) stuff that will save you time and get the job done with
   ease. Linux and it’s programs are by default built to allows users to accomplish
   tasks easily. But many people dont even know that there are many other useful
   commands and tools.Many people know the basics or only what they…