🔥 A critical Linux kernel vulnerability, CVE-2026-98432, has exposed a very uncomfortable reality for Ubuntu Server users.

In this video I go over the timeline of the vulnerability, how serious it is, when Debian patched it, when the exploit became public, and why I am no longer comfortable recommending Ubuntu Server in this situation.

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Debian patched quickly. Ubuntu LTS did not. For a distribution that sells enterprise support and security confidence, that is a very bad look. If you run Ubuntu servers, this is the kind of incident you should pay close attention to.

Dates of patches:

• 16.10. Debian 13
• 17.10. Debian 12
• 01.11. RHEL 8/9/10
• 02.11. AlmaLinux 8/9/10
• 03.11. Rocky Linux 8/9/10

Sources

• Ubuntu security page: https://ubuntu.com/security/CVE-2026-98432
• Debian security tracker: https://security-tracker.debian.org/tracker/CVE-2026-98432
• Anthropic research: https://www.anthropic.com/research/discovering-vulnerabilities-with-claude#5-zero-click-remote-code-execution-in-linux

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📍 Timestamps 0:00 Upgrade your Ubuntu now to Debian 0:21 Intro 0:35 What is CVE-2026-98432? 1:26 Timeline of the vulnerability 2:17 Patch came before public disclosure 3:05 Debian patched in 24 hours 3:34 Why I was not too worried personally 5:03 Remote root exploit revealed 6:05 Ubuntu LTS still waiting for regular updates 7:18 Why this changed my view of Ubuntu Server 8:19 I can no longer recommend Ubuntu Server 8:47 My advice: move to Debian or another alternative 9:16 Outro

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