I've changed my mind: this feels like it should be a security update if
the user made no mistakes in their configuration and a previous version
of sssd (with the "create the database" behavior) would have been giving
the user the correct, unlocked, password-protected, user; but the new
version of sssd (without "create the database" behavior) leaves the user
account unlocked and passwordless.

Perhaps the user has a reasonable OpenSSH configuration that allows some
other account to be passwordless (I can't tell you how often I've wished
"anonymous ssh" was a thing) and expected for this created account to be
protected by a very good password, not no password.

How do we actually get this security update into user workflows? Will it
only happen with eg 26.04.2 ISO builds (and daily cloud images?)

Do we need to worry about NIS+ or Kerberos or something similar not
playing nicely with the shadow password "user::" and "user:!:"
conventions?

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https://bugs.launchpad.net/bugs/2153951

Title:
  unconfigured sssd leads to cloud-init removing a password from a user

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