Jxself seems to disagree if I recall. https://trisquel.info/en/forum/are-there-any-libre-computers-secure-fromnot-affected-spectre-and-meltdown#comment-126834
But yeah, there is also this comment too. https://trisquel.info/en/forum/hot-news-major-flaw-intel-cpus#comment-125946 The speculative execution is how those two vulnerabilities work...But yeah, you may feel free to disagree with me if you wish... though there really is no point.