Tagged: meltdown

9 May 2026 linux security spectre meltdown cpu vulnerabilities hardening kernel

spectre-meltdown-checker: Auditing CPU Vulnerability Mitigations on Linux

A deep dive into spectre-meltdown-checker — how it actually works under the hood, what it tells you that /sys/devices/system/cpu/vulnerabilities does not, the alternative tools (lscpu, vendor microcode checkers, in-tree kernel reporting), and when to reach for each one on a production Linux box.