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The 208.5-Day Kernel Bug: Uptime, Overflow, and Risk

Posted on Wed 16 April 2025 in DevSecOps • 2 min read

kernel
linux
bug
devsecops

A 2012 Linux kernel bug caused CPU lockups after 208.5 days of uptime due to an integer overflow in sched_clock(). RHEL 5/6 lesson: patch and observe uptime.