> We are also now vendoring a new upstream plugin manager source
(confusingly named `google-guest-agent` in github [0]) using a secondary
orig tar. We build these plugin manager binaries from the vendored tree
*during* the pkg build so LP doesn't need network access (which would
fail anyway).

I'm not sure I follow. Is this an arbitrary code execution engine? It
sounds like, at any time, the host environment (via "VM Extension
Manager") can instruct the guest Ubuntu system to download and execute
arbitrary code (a plugin, but one that could be written later) subject
to whatever validation it performs (I haven't checked). Is this correct?
If so, this sounds like a significant security-sensitive change. It
would also seem to have the effect of making Ubuntu's packaging of an
agent pointless, since it's equivalent to giving the host a root shell
it can use at any time.

Given that the package is in main, has this new architecture had a
security review?

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https://bugs.launchpad.net/bugs/2164943

Title:
  [SRU][FFE] Please update to version 20260819.00

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