SemiPulse — Semiconductor Intelligence

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2026-05-04

CISA flags actively exploited ‘Copy Fail’ Linux kernel flaw enabling root takeover across major distros

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tomshardware.com 2026-05-04 Etiido Uko

CISA warns of the actively exploited “Copy Fail” Linux flaw (CVE-2026-31431), enabling root access, with a public exploit released before patches were ready.

Linux kernel vulnerability CISA security flaw privilege escalation root access cryptographic interface system security exploit