Nine-year-old Linux kernel flaw enables reliable local privilege escalation (CVE-2026-31431)
Security researchers at Theori have disclosed a high-severity local privilege escalation (LPE) vulnerability (CVE-2026-31431) in the Linux kernel. The flaw, nicknamed “Copy Fail”, has affected virtually every major Linux distribution shipped since 2017, and a working proof-of-concept (PoC) exploit i
ORIGINAL SOURCE →via Help Net Security
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