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WTF Ubuntu?

chalmovsky.com1549 points647 comments
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The piece is a furious criticism of Ubuntu’s handling of CVE-2026-98432, a critical vulnerability in Linux’s TCP code. It says the flaw has existed since 2016, affects nearly every Linux server, and can be exploited remotely; Anthropic reportedly developed an exploit that achieves root access. Debian shipped a fix on October 16, but as of November 2, every supported Ubuntu release, including LTS versions, was still marked vulnerable. The writer contrasts that delay with Ubuntu’s promises of timely security updates, arguing that its marketing language about enterprise-grade reliability is meaningless if a severe, exploitable flaw goes unpatched.

The failure has changed the writer’s own plans: they intend to move all their servers away from Ubuntu and say they took their Ubuntu machines offline because they could not migrate services and data quickly enough. Their loss of confidence is sharpened by the fact that volunteer-run distributions such as Debian, Arch, and Alpine had already shipped fixes, while Canonical, a company that sells security subscriptions, had not. The writer describes Ubuntu as a server choice they had relied on largely because it is widely offered by VPS providers and seemed like a dependable, low-maintenance LTS option. Now they consider that trust misplaced.

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