Reboot required (newer kernel installed)
A newer kernel package is installed on disk but the running kernel is older. Security patches in the new kernel are not active until reboot.
Remediation
When this rule fires on one of your servers, the dashboard alert detail page renders the full remediation guidance: the command to run, what to verify after, and Furnace's annotation for your specific distro + hardware. Sign in at app.glassmkr.com to see the live alert.