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Bug 1713432 - useradd audit event user id field cannot be interpreted
Summary: useradd audit event user id field cannot be interpreted
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: shadow-utils
Version: 8.0
Hardware: Unspecified
OS: Unspecified
high
medium
Target Milestone: rc
: 8.1
Assignee: Tomas Mraz
QA Contact: Martin Zelený
URL:
Whiteboard:
Depends On:
Blocks: 1510124
TreeView+ depends on / blocked
 
Reported: 2019-05-23 16:12 UTC by Steve Grubb
Modified: 2020-11-14 14:19 UTC (History)
4 users (show)

Fixed In Version: shadow-utils-4.6-8.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-11-05 22:28:30 UTC
Type: Bug
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
Patch to fix issue (701 bytes, patch)
2019-05-23 16:12 UTC, Steve Grubb
tmraz: review+
Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2019:3618 0 None None None 2019-11-05 22:28:39 UTC

Description Steve Grubb 2019-05-23 16:12:19 UTC
Created attachment 1572611 [details]
Patch to fix issue

Description of problem:
When useradd sends it's ADD_USER event, it is filling in the id field. This is not yet written to disk. When auditd sees the event and the log format is enriched, auditd tries to lookup the user name but it does not exist. This causes the event to never be resolvable since ausearch relies on the lookup information attached by auditd. 

The fix is to not send the id information for any event until after close_files() is called. Just the acct field is all that is needed to fix the problem. Will attach a patch that corrects the issue.

Version-Release number of selected component (if applicable):
shadow-utils-4.6-7.el8

Steps to Reproduce:
1. useradd -c iam2 -G wheel iam2
2. ausearch --start recent -i -m ADD_USER
3. Observe id field says unknown(1002) or some other number

Expected results:
No unknown results. It should switch to show acct=someone

Comment 1 Tomas Mraz 2019-05-23 16:20:36 UTC
Comment on attachment 1572611 [details]
Patch to fix issue

Makes sense.

Comment 8 Tomas Mraz 2019-08-05 14:12:41 UTC
> The new record has acct="user18274" and does not have ID.
> Is this test sufficient? Thanks.

Yes, it is.

Comment 11 errata-xmlrpc 2019-11-05 22:28:30 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, 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-2019:3618


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