/etc/pam.d/lightdm and /etc/pam.d/lightdm-autologin should have uncommented "session required pam_loginuid.so" for compatibility with user applications

Bug #1920813 reported by Norbert
12
This bug affects 2 people
Affects Status Importance Assigned to Milestone
lightdm (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Steps to reproduce:
1. Install Ubuntu MATE 21.04
2. Launch MATE Terminal
3. Execute `cat /proc/self/loginuid`

Expected results:
* above command returned 1000

Actual results:
* above command returned 4294967295

Remediation:
* edit /etc/pam.d/lightdm and /etc/pam.d/lightdm-autologin to uncomment

session required pam_loginuid.so

for compatibility with user applications.

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: lightdm 1.30.0-0ubuntu3.1
ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0
Uname: Linux 5.11.0-11-generic x86_64
ApportVersion: 2.20.11-0ubuntu60
Architecture: amd64
CurrentDesktop: MATE
Date: Mon Mar 22 22:41:05 2021
InstallationDate: Installed on 2021-03-21 (1 days ago)
InstallationMedia: Ubuntu-MATE 21.04 "Hirsute Hippo" - Alpha amd64 (20210321)
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)

Revision history for this message
Norbert (nrbrtx) wrote :
tags: added: xenial
Norbert (nrbrtx)
tags: added: bionic
Revision history for this message
Norbert (nrbrtx) wrote :
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in lightdm (Ubuntu):
status: New → Confirmed
Norbert (nrbrtx)
tags: added: impish
Revision history for this message
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/1920813

tags: added: iso-testing
Norbert (nrbrtx)
tags: added: jammy
removed: xenial
no longer affects: ubuntu-mate
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