There is a github project by Microsoft called Font-Validator. On macOS, the built in Font Book will do font validation. But Linux isprobably your best bet as I remember there being a font editing program that validated the full set of font metrics by walking all of the glyphs in a font. You might google "fontforge" or "birdfont" to see if they validate fonts, especially the font metrics.
You should always validate on borh Windows and Linux/Unix/macOS as there are both Windows and unix spevific font tables.
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