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hardened kernel breaks pam 1.6.0

Description:

Since about a month (probably when pam 1.6.0 has been released) passwd, sudo etc. (everything using unix_chkpwd) is broken. I have to manually downgrade back to 1.5.3 in order to have a working system.

This issue is not present on the default (non-hardened) kernel.

Additional info:

  • package version(s): 6.7.4.hardened1-1
  • config and/or log files:
  • link to upstream bug report, if any:

Steps to reproduce:

  1. install linux-hardened and reboot
  2. use passwd
  3. get error:
passwd: Authentication failure
passwd: password unchanged
Edited by Alex .
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