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Copy Fail — CVE-2026-31431

Copy Fail — CVE-2026-31431

Linux local privilege escalation PoC and mitigation guidance.

Documenting a straight-line Linux LPE (CVE-2026-31431) with a 732-byte Python PoC. Targets system administrators, security researchers, and CI environments. Includes PoC, affected distributions, and patch timeline with mitigation steps.

Discussion highlights

AI-generated summary based on Hacker News comments

🔗 Full discussion: https://news.ycombinator.com/item?id=47952181

Read full discussion on Hacker News

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