What are unsigned modules and how do they appear in a kernel backtrace?

Solution Unverified - Updated -

Issue

  • What does it mean for a kernel to contain "unsigned modules" and how can we tell they are present?

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 3

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