Question about vulnerabilities and mitigations

I loaded proxmox on what is a 2-3 year old system but with a CPU that was first launched in 2012 (so fairly old model in computer-years). using the lscpu command I see there are a number of vulnerabilities. Is it correct to say that where the command reports "Mitigation", proxmox has implemented the stated mitigation? Or is it just a suggestion as to what to do, and if it doesn't say mitigation there is none?


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