CrowdStrike Update Causing BSOD Loop on SQL Nodes

Widespread Issue with Sensor 658 in July 2023

In July 2023, a widespread CrowdStrike BSOD issue plagued organizations, affecting thousands of devices. The culprit was identified as sensor version 658.

Symptoms and Solutions

Devices experiencing the issue exhibited a continuous BSOD loop. To resolve the problem, users resorted to either uninstalling or uninstalling and reinstalling CrowdStrike. Additionally, some found success by uninstalling and reinstalling igdkmd64sys Intel GPU drivers.

Investigation and Troubleshooting

If you encounter this issue, it is crucial to verify that your hosts LMHost service is enabled. A disabled LMHosts service can prevent you from investigating further. CrowdStrike has since rolled back the detection logic update.

Conclusion

This widespread CrowdStrike BSOD issue serves as a reminder of the potential consequences of software updates. organizations should be cautious before deploying major updates and should always have a backup plan in place to mitigate potential disruptions.