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CrowdStrike broke Debian and Rocky Linux months ago, but no one noticed (www.neowin.net)

submitted 4 months ago by [email protected] to c/linux

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A widespread Blue Screen of Death (BSOD) issue on Windows PCs disrupted operations across various sectors, notably impacting airlines, banks, and healthcare providers. The issue was caused by a problematic channel file delivered via an update from the popular cybersecurity service provider, CrowdStrike. CrowdStrike confirmed that this crash did not impact Mac or Linux PCs.

It turns out that similar problems have been occurring for months without much awareness, despite the fact that many may view this as an isolated incident. Users of Debian and Rocky Linux also experienced significant disruptions as a result of CrowdStrike updates, raising serious concerns about the company's software update and testing procedures. These occurrences highlight potential risks for customers who rely on their products daily.

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[–] [email protected] 3 points 4 months ago (1 children)

It's a very educated guess based on the following:

The crash is a null pointer dereference, which a linter ought to catch.

The crash does not happen if you have crowdstrike sensor installed, which is weird because crowdstrike sensor's job is not to prevent any crashes.

Hence the guess: the update the pushed tries accessing memory in sensor, but if it's not installed the pointer is null and that's Bye-Bye.

[–] [email protected] 1 points 4 months ago

I see, thanks for the clarification. Sounds plausible.