Fly.io change history: Platform Wide Rolling Host Reboots

Fly.io’s major fleet-wide host reboots mitigated PwnEscape (Linux Kernel CVE-2026-99999), making Machines, volumes and MPG instances unavailable for 15–20 minutes per host. The incident ran from 2026-10-16 16:22 UTC to 2026-10-17 05:15 UTC (12 h 52 min); it was resolved, though a small number of hosts remained degraded or offline.