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Bug 2122288 - RFE: mechanism and logind.conf option to terminate idle sessions
Summary: RFE: mechanism and logind.conf option to terminate idle sessions
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: systemd
Version: ---
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Michal Sekletar
QA Contact: Frantisek Sumsal
URL:
Whiteboard:
Depends On:
Blocks: 2125264
TreeView+ depends on / blocked
 
Reported: 2022-08-29 17:45 UTC by Marek Haicman
Modified: 2023-10-11 21:34 UTC (History)
5 users (show)

Fixed In Version: systemd-239-68.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 2125264 (view as bug list)
Environment:
Last Closed: 2022-11-08 10:49:56 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-132572 0 None None None 2022-10-03 11:37:49 UTC
Red Hat Knowledge Base (Solution) 7037840 0 None None None 2023-10-11 21:34:00 UTC
Red Hat Product Errata RHBA-2022:7727 0 None None None 2022-11-08 10:50:24 UTC

Description Marek Haicman 2022-08-29 17:45:06 UTC 
This bug was initially created as a copy of Bug #2100464

I am copying this bug because: 
We need the same update of the RHEL 8(.6). The functionality of has been lost there too, which negatively affects how secured the system can be.


Description of problem:

The Common Criteria OSPP SFR

  https://www.niap-ccevs.org/MMO/PP/-442-/#FMT_SMF_EXT.1.1

has as one of the security functions that the product should support session timeout. Other security policies have similar requirements.

In the past, a de facto solution was to use sshd's ClientAliveInterval and ClientAliveCountMax options. However, those options were never intended for this purpose, and on RHEL 9 with openssh rebase their behaviour has changed to the extend that it cannot be reliably used for sessions timeouts.

At the same time, systemd-logind has a notion of sessions (and not just for remote connections), and it already has some logic for handling idle sessions. Unfortunately, the IdleAction and IdleActionSec options from /etc/systemd/logind.conf deal with the whole system's status, it does not have the per-session granularity or ability to terminate idle session.

We'd like the systemd-logind's functionality to be extended with logind.conf's option SessionIdleTerminateSec (or similar name) which would set per-session idle accounting and termination of sessions idle for more then the set limit.

Version-Release number of selected component (if applicable):

systemd-250-6.el9_0.x86_64

How reproducible:

Deterministic.

Steps to Reproduce:
1. Try to setup session timeout on RHEL where idle sessions would be terminated but the system as whole would keep running.

Actual results:

It is currently not possible.

Expected results:

It should be possible for example by adding

  SessionIdleTerminateSec=10min

to /etc/systemd/logind.conf

Additional info:
Comment 7 Plumber Bot 2022-09-26 12:55:26 UTC 
fix merged to github rhel-8.7.0 branch -> https://github.com/redhat-plumbers/systemd-rhel8/pull/332
Comment 13 errata-xmlrpc 2022-11-08 10:49:56 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (systemd bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2022:7727
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