CVE-2026-31431: “Copy Fail,” the Nine-Year-Old Linux Bug Introduced in 2017 (opens in new tab)

CVE-2026-31431: “Copy Fail,” the Nine-Year-Old Linux Bug Introduced in 2017 A vulnerability hiding in plain sight for nearly a decade, capable of granting full root access to almost any Linux server with just a 732-byte Python script. Meet “Copy Fail” (CVE-2026-31431), a critical local privilege escalation flaw in the Linux kernel that affects virtually every […]