This bug was fixed in the package lightdm - 1.1.4-0ubuntu1
---------------
lightdm (1.1.4-0ubuntu1) precise; urgency=low
* New upstream release.
- Change session directory once user permissions are set so it works
on NFS filesystems that don't allow root to access files. (LP: #877766)
- Restructure session code so the PAM authentication is run in its
own process. (LP: #881466)
- Set PAM_XDISPLAY and PAM_XAUTHDATA pam items (LP: #862559)
- Don't send session stdout to .xsession-errors
- Fix Qt bindings crash when removing a user
-- Robert Ancell <robert.anc...@canonical.com> Thu, 01 Mar 2012 20:54:07
+1100
** Changed in: lightdm (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/881466
Title:
Run PAM code inside session process
Status in Light Display Manager:
Fix Released
Status in “lightdm” package in Ubuntu:
Fix Released
Status in “lightdm” source package in Precise:
Fix Released
Bug description:
Currently PAM code is run inside the main lightdm daemon process.
This means that buggy PAM modules can crash lightdm (see bug 829221).
We should change the architecture to run the PAM code inside the
session processes before launching the user session.
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