Public bug reported:
When a NIS user locks the screen and then tries to unlock again,
pam_unix2.so cannot authenticate the user. Instead, new instances of
unix2_chkpwd are created recursively in an endless loop. This happens
because for NIS users to unlock the screen, unix2_chkpwd has to be
setuid root, setgid shadow is not sufficient. Please make unix2_chkpwd
setuid root again, like it once was.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: libpam-unix2 1:2.4.1-5
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic-pae 3.2.14
Uname: Linux 3.2.0-23-generic-pae i686
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
Date: Thu May 24 11:18:26 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386
(20120423.2)
ProcEnviron:
TERM=xterm
SHELL=/bin/bash
LANG=de_DE.UTF-8
SourcePackage: libpam-unix2
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: libpam-unix2 (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug i386 precise
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https://bugs.launchpad.net/bugs/1003826
Title:
pam_unix2.so cannot authenticate NIS user
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