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How CrowdStrike broke Windows computers everywhere. #mkbhd #waveformpodcast #microsoft

July 26, 2024 / 00:58

This episode discusses the CrowdStrike Falcon software update that caused millions of computers to blue screen and thousands of flight cancellations. The conversation covers the technical details of the update, the out-of-bounds memory error, and the implications of such a widespread failure.

The hosts explain how CrowdStrike, a security company, regularly updates its Falcon software to detect cybersecurity threats. However, this particular update contained a bug that led to a system-wide crash, affecting numerous Fortune 500 companies.

Listeners learn about the operational speed of the Falcon software and its special kernel access on Windows machines. The discussion highlights the importance of software validation and the consequences of failing to catch errors.

The episode also touches on the aftermath of the incident, including the need for physical reboots of servers and the time it took for systems to return to normal. The hosts draw a humorous parallel to the Y2K scare, suggesting that this incident was a delayed version of that panic.

TLDR

CrowdStrike's software update caused widespread computer crashes and flight cancellations due to a critical bug.

Episode

0:58
00:00:00
remember last Friday when millions of computers blue screen for hours thousands of flights got cancelled and
00:00:05
most of the world just kind of took a collective break that was all because of a company called crowd strike a security
00:00:10
company that runs software on 298 of the Fortune 500 companies last Friday crowd
00:00:16
strike's Falcon software which is meant to spot and detect novel cyber security threats pushed an update that made
00:00:21
millions of computers blue screen that's because crowdstrike regularly pushes minor software updates to that Falcon
00:00:27
software to detect from these threats at operational speed but this time one of those update packets had an outof bounds
00:00:32
memory error which actually failed to get caught due to a bug in the validation software that Falcon software
00:00:38
has special kernel access on Windows machines which means it has access to the OS that most programs can't touch
00:00:44
but when a program like that has memory error the entire OS will just crash to stop anything else from happening you
00:00:50
also had to physically reboot all of these servers which is why it took so long for everything to go back to normal
00:00:54
and I guess Y2K was just 24 years late

Episode Highlights

  • Massive Tech Failure
    Last Friday, millions of computers crashed due to a faulty update from CrowdStrike.
    “A company called CrowdStrike caused chaos for millions.”
    @ 00m 08s
    July 26, 2024

Episode Quotes

  • Y2K was just 24 years late.
    How CrowdStrike broke Windows computers everywhere. #mkbhd #waveformpodcast #microsoft

Key Moments

  • Collective Break00:06
  • Software Update Chaos00:19
  • Y2K Reference00:54