dmidecode is not working - /dev/mem: Permission denied

Solution In Progress - Updated -

Issue

  • dmidecode or other commands which require access to /dev/mem fail even for the root user
# dmidecode 
  # dmidecode 2.11
  /dev/mem: Permission denied
  • This is expected for non-root users but root should be able to run dmidecode.

Environment

  • Observed on RHEL 5.7
  • Observed on dmidecode-2.12-1.el5
    • This issue is not dependent on the kernel or dmidecode version
  • Security software and libraries are installed: in this situation CA Technologies AccessControl (seos)

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