I want to check if my Lenovo T480 is afftected by the recent PKFail, but have no idea how to extract the bios firmware for validation. Can someone detail the steps? Thanks.

  • umami_wasabi@lemmy.mlOP
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    3 months ago

    Thanks for the hint. I followed and checked: safe

    $ efi-readvar -v PK
    Variable PK, length 983
    PK: List 0, type X509
        Signature 0, size 955, owner 3cc24e96-22c7-41d8-8863-8e39dcxxxxxx
            Subject:
                C=JP, ST=Kanagawa, L=Yokohama, O=Lenovo Ltd., CN=Lenovo Ltd. PK CA 2012
            Issuer:
                C=JP, ST=Kanagawa, L=Yokohama, O=Lenovo Ltd., CN=Lenovo Ltd. PK CA 2012