Downfall vulnerability may affect Intel Macs; usual precautions recommended

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Downfall vulnerability may affect Intel Macs; usual precautions

https://9to5mac.com/2023/08/10/downfall-vulnerability-mac/?

A newly-discovered Downfall vulnerability found in Intel chips may affect older Macs powered by these processors … A new variant...

Downfall vulnerability may affect Intel Macs; usual precautions
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Do I understand correctly that as long as I am the only user on my Mac this vulnerability is basically not relevant to me?

From what I understand, yes. This vulnerability is to gain information about another user using the same computer (at the same time?). This is why I have disabled the performance-impacting spectre/meltdown mitigations on my home Windows PCs.