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CB Response: What Causes 'loading out-of-tee module taints kernel' Error on Reboot?

CB Response: What Causes 'loading out-of-tee module taints kernel' Error on Reboot?

Environment

  • EDR Sensor: All Supported Versions

Question

Why are the following error messages shown after rebooting Linux server?
 
loading out-of-tree module taints kernel.
module license 'Proprietary' taints kernel.
module verification failed: signature and/or required key missing - tainting kernel

Answer

This is due to the EDR Sensor using a proprietary module. This is a standard Linux message and can be ignored.

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Creation Date:
‎03-14-2022
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