Carbon Black Cloud: Sensor is Stuck in Bypass Mode when Installed on Linux RHEL 7.9 devices

Products

• Carbon Black Cloud Endpoint Standard (formerly Cb Defense)
• Carbon Black Cloud Enterprise EDR (formerly Cb Threathunter)

Issue/Introduction

• Sensor is stuck in bypass mode right after installation
• "Sensor Bypass (Admin Action)" is shown in ENDPOINTS page under "LAST CHECK-IN" field

Environment

• Carbon Black Cloud Linux Sensor: 2.9.0 and below
• Linux OS: RHEL 7.9

Cause

Unsupported Linux OS version

Resolution

Upgrade to sensor version 2.9.1 which supports RHEL 7.9.

Additional Information

CBC Supported OS information can be found in this page:
https://community.carbonblack.com/t5/Documentation-Downloads/Carbon-Black-Cloud-sensor-Linux-sensor-support/ta-p/66266

Please review it before deploying sensors to new devices.