Carbon Black Cloud: Kernel Crash During Reboot After Upgrading to Linux Sensor 2.13.x

Products

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

Issue/Introduction

• After upgrading Linux sensor during reboot the kernel crashes
• Error may be seen ec_mem_cache_get: Cache entry magic does not match. Failed to free memory

Environment

• RHEL/CentOS: 7.9
• Linux Sensor: 2.13.3

Cause

Known issue unloading older driver until reboot

Resolution

Upgrade to sensor version 2.14.1 or higher where this issue was fixed