Is Ubuntu Linux protected against the Meltdown and Spectre security flaws?

[Turritopsis Dohrnii Teo En Ming]

What are the patches that I can download and install to be protected
against the Meltdown and Spectre security vulnerabilities?

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Turritopsis Dohrnii Teo En Ming's Academic Qualifications as at 30 Oct 2017

[1] https://tdtemcerts.wordpress.com/

[2] http://tdtemcerts.blogspot.sg/

[3] https://www.scribd.com/user/270125049/Teo-En-Ming

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