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So, I installed LivePatch on 2 machines. One of them Ubuntu 20.04.2 and the other 18.04.5. New kernel versions came with security fixes. LivePatch did not do anything. I had to install the new kernel updates and still reboot. What am I missing here? Does LivePatch even do anything? I don't think so...

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  • Did you follow everything on wiki.ubuntu.com/Kernel/Livepatch ?
    – Rinzwind
    Commented Mar 24, 2021 at 10:18
  • Installed and added keys. Will check, if there is anything else to add. Have a firewall. Maybe it is preventing it from doing anything. I also tried manually checking for updates through it. It does nothing.
    – svet0slav
    Commented Mar 24, 2021 at 11:35

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Check your kernel versions. Livepatch supports only GA kernels (the ones that are the official ones at the LTS release). If you manually update the kernel, you may end in a different (newer) version that is not supported.

Check versions here: https://ubuntu.com/security/livepatch/docs/kernels

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    This is annoying/inconvenient for those of us who, for instance, install the HWE stack. I should probably write a question about whether the livepatch devs plan to add support for HWE kernels from the repositories.
    – Zeiss Ikon
    Commented Mar 3, 2022 at 14:59
  • Just an update for new visitors. This is no longer an issue since now Kernel Livepatch supports HWE kernels: ubuntu.com/blog/…
    – Carlos B
    Commented May 5, 2023 at 13:55

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