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Bug 1480121 - SELinux is preventing userdel from sys_ptrace access on the cap_userns Unknown.
SELinux is preventing userdel from sys_ptrace access on the cap_userns Unknown.
Status: POST
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
25
Unspecified Unspecified
unspecified Severity unspecified
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Assigned To: Lukas Vrabec
Fedora Extras Quality Assurance
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Depends On:
Blocks:
  Show dependency treegraph
 
Reported: 2017-08-10 04:47 EDT by Paweł
Modified: 2017-08-31 10:47 EDT (History)
8 users (show)

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Description Paweł 2017-08-10 04:47:41 EDT
Description of problem:
After deleting user via GUI in System Settings, this thing popped up. Details below.

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


How reproducible:


Steps to Reproduce:
1.
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Actual results:


Expected results:


Additional info:
SELinux is preventing userdel from sys_ptrace access on the cap_userns Unknown.

*****  Plugin catchall (100. confidence) suggests   **************************

If aby userdel powinno mieć domyślnie sys_ptrace dostęp do Unknown cap_userns.
Then proszę to zgłosić jako błąd.
Można utworzyć lokalny moduł polityki, aby umożliwić ten dostęp.
Do
allow this access for now by executing:
# ausearch -c 'userdel' --raw | audit2allow -M my-userdel
# semodule -X 300 -i my-userdel.pp

Additional Information:
Source Context                system_u:system_r:useradd_t:s0
Target Context                system_u:system_r:useradd_t:s0
Target Objects                Unknown [ cap_userns ]
Source                        userdel
Source Path                   userdel
Port                          <Nieznane>
Host                          e320pw
Source RPM Packages           
Target RPM Packages           
Policy RPM                    selinux-policy-3.13.1-225.19.fc25.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     e320pw
Platform                      Linux e320pw 4.11.12-200.fc25.x86_64 #1 SMP Fri
                              Jul 21 16:41:43 UTC 2017 x86_64 x86_64
Alert Count                   26
First Seen                    2017-08-10 10:46:02 CEST
Last Seen                     2017-08-10 10:46:02 CEST
Local ID                      c7e54b55-f563-46c1-8ee8-95998a024cc4

Raw Audit Messages
type=AVC msg=audit(1502354762.592:302): avc:  denied  { sys_ptrace } for  pid=6816 comm="userdel" capability=19  scontext=system_u:system_r:useradd_t:s0 tcontext=system_u:system_r:useradd_t:s0 tclass=cap_userns permissive=0


Hash: userdel,useradd_t,useradd_t,cap_userns,sys_ptrace
Comment 1 Daniel Walsh 2017-08-14 09:40:13 EDT
Should be dontaudited.
Comment 2 Paweł 2017-08-30 09:41:47 EDT
Hi Daniel, I'm not familiar with SELinux. Is that (dontaudit) something I should do on my system, or is that something to fix in SELinux code?

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