this post was submitted on 19 Jul 2024
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Major IT outage affecting banks, airlines, media outlets across the world (www.abc.net.au)
submitted 5 months ago* (last edited 5 months ago) by [email protected] to c/[email protected]
555 comments fedilink hide all child comments
 

All our servers and company laptops went down at pretty much the same time. Laptops have been bootlooping to blue screen of death. It's all very exciting, personally, as someone not responsible for fixing it.

Apparently caused by a bad CrowdStrike update.

Edit: now being told we (who almost all generally work from home) need to come into the office Monday as they can only apply the fix in-person. We'll see if that changes over the weekend...

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[–] [email protected] 14 points 5 months ago (2 children)

If these affected systems are boot looping, how will they be fixed? Reinstall?

[–] [email protected] 24 points 5 months ago (2 children)

There is a fix people have found which requires manual booting into safe mode and removal of a file causing the BSODs. No clue if/how they are going to implement a fix remotely when the affected machines can't even boot.

[–] [email protected] 10 points 5 months ago (3 children)

Probably have to go old-skool and actually be at the machine.

[–] [email protected] 4 points 5 months ago

And hope you are not using BitLocker cause then you are screwed since BitLocker is tied to CS.

[–] [email protected] 3 points 5 months ago (1 children)

Exactly, and super fun when all your systems are remote!!!

[–] [email protected] 3 points 5 months ago

It's not super awful as long as everything is virtual. It's annoying, but not painful like it would be for physical systems.

Really don't envy physical/desk side support folks today....

[–] [email protected] 3 points 5 months ago (1 children)

You just need console access. Which if any of the affected servers are VMs, you’ll have.

[–] [email protected] 3 points 5 months ago

Yes, VMs will be more manageable.

[–] [email protected] 2 points 5 months ago (3 children)

Do you have any source on this?

[–] [email protected] 11 points 5 months ago

If you have an account you can view the support thread here: https://supportportal.crowdstrike.com/s/article/Tech-Alert-Windows-crashes-related-to-Falcon-Sensor-2024-07-19

Workaround Steps:

  1. Boot Windows into Safe Mode or the Windows Recovery Environment

  2. Navigate to the C:\Windows\System32\drivers\CrowdStrike directory

  3. Locate the file matching “C-00000291*.sys”, and delete it.

  4. Boot the host normally.

[–] [email protected] 9 points 5 months ago (1 children)

I can confirm it works after applying it to >100 servers :/

[–] [email protected] 4 points 5 months ago

Nice work, friend. 🤝 [back pat]

[–] [email protected] 2 points 5 months ago

It seems like it's in like half of the news stories.

[–] [email protected] 4 points 5 months ago (2 children)

It is possible to edit a folder name in windows drivers. But for IT departments that could be more work than a reimage

[–] [email protected] 3 points 5 months ago* (last edited 5 months ago) (1 children)

Having had to fix >100 machines today, I'm not sure how a reimage would be less work. Restoring from backups maybe, but reimage and reconfig is so painful

[–] [email protected] 1 points 5 months ago

Yes, but there are less competent people. The main answer for any slightly complex issue at work is 'reimage' - the pancea to solve all problems. And reconfig of personal settings is the users problem.

[–] [email protected] 2 points 5 months ago

It’s just one file to delete.