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Copy Fail: Critical Linux Kernel Privilege Escalation Vulnerability - CVE-2026-31431

📅 May 1, 2026 📰 www.picussecurity.com 🔍 1 CVE(s) referenced

A critical logic flaw in the Linux kernel’s cryptographic subsystem (CVE-2026-31431, “Copy Fail”) allows any local user to reliably gain root access—and even escape containers—across all major Linux distributions, using a stealthy exploit that leaves no trace on disk.

CVE-2026-31431

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