The cybersecurity company SentinelOne may have bought some time for harried system administers dealing with the multiple problems being posed by Meltdown and Spectre. It's issued a proprietary but free-to-use Linux monitoring tool to notify admins of attempts to exploit the Meltdown vulnerability so they can take action to stop attacks in their tracks. Unfortunately, the tool doesn't address the Spectre vulnerability, but half a loaf is better
Linux Monitoring Tool Detects Meltdown Attacks
The security company SentinelOne has released a free-to-use monitoring tool that will alert when attackers attempt to exploit the Meltdown vulnerability.