Carbon Black Cloud: Kernel panic after upgrade to Big Sur 11.3 with KEXT mode Sensor

[#1]

Environment

• Carbon Black Cloud Sensor: 3.5.1.x
• Apple macOS: 11.3 (Big Sur, released 26-Apr-2021)

Symptoms

Kernel panics on macOS devices with CBC Sensor 3.5.1.x installed in KEXT mode or above after upgrading OS to Big Sur 11.3

Cause

Operating System issue reported to and requiring fix by Apple, Inc.

Resolution

• Workaround has been included in 3.5.2.X sensors, upgrading will avoid this issue
• Requires a fix from Apple, Inc.

Additional Notes

• Recommendation for 3.5.1.x Sensors is to switch from KEXT mode to System Extension mode to stop kernel panics
• Upgrade to 3.5.2.78 sensor or later

Related Content

[Carbon Black Cloud] Risk of kernel panics on 11.3 when running in KEXT mode
About the security content of macOS Big Sur 11.3