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Bug 1554150 - SELinux is preventing lxdm-session from 'sys_ptrace' accesses on the cap_userns Unknown.
Summary: SELinux is preventing lxdm-session from 'sys_ptrace' accesses on the cap_user...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 27
Hardware: x86_64
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Lukas Vrabec
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: abrt_hash:75c24cd5a6defc241e55ece0d86...
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-03-11 22:43 UTC by mastaiza
Modified: 2018-03-20 18:18 UTC (History)
5 users (show)

Fixed In Version: selinux-policy-3.13.1-283.28.fc27
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-03-20 18:18:04 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description mastaiza 2018-03-11 22:43:33 UTC 
Description of problem:
SELinux is preventing lxdm-session from 'sys_ptrace' accesses on the cap_userns Unknown.

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

If you believe that lxdm-session should be allowed sys_ptrace access on the Unknown cap_userns by default.
Then рекомендуется создать отчет об ошибке.
Чтобы разрешить доступ, можно создать локальный модуль политики.
Do
allow this access for now by executing:
# ausearch -c 'lxdm-session' --raw | audit2allow -M my-lxdmsession
# semodule -X 300 -i my-lxdmsession.pp

Additional Information:
Source Context                system_u:system_r:xdm_t:s0-s0:c0.c1023
Target Context                system_u:system_r:xdm_t:s0-s0:c0.c1023
Target Objects                Unknown [ cap_userns ]
Source                        lxdm-session
Source Path                   lxdm-session
Port                          <Неизвестно>
Host                          (removed)
Source RPM Packages           
Target RPM Packages           
Policy RPM                    selinux-policy-3.13.1-283.26.fc27.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Permissive
Host Name                     (removed)
Platform                      Linux (removed) 4.15.6-300.fc27.x86_64 #1 SMP Mon
                              Feb 26 18:43:03 UTC 2018 x86_64 x86_64
Alert Count                   1
First Seen                    2018-03-12 04:39:34 +06
Last Seen                     2018-03-12 04:39:34 +06
Local ID                      63717e36-b344-4c0b-be67-8f281fc965b5

Raw Audit Messages
type=AVC msg=audit(1520807974.864:364): avc:  denied  { sys_ptrace } for  pid=11170 comm="lxdm-session" capability=19  scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1


Hash: lxdm-session,xdm_t,xdm_t,cap_userns,sys_ptrace

Version-Release number of selected component:
selinux-policy-3.13.1-283.26.fc27.noarch

Additional info:
component:      selinux-policy
reporter:       libreport-2.9.3
hashmarkername: setroubleshoot
kernel:         4.15.6-300.fc27.x86_64
type:           libreport

Potential duplicate: bug 1420423
Comment 1 Fedora Update System 2018-03-12 18:13:59 UTC 
selinux-policy-3.13.1-283.28.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-32ebae3424
Comment 2 Fedora Update System 2018-03-12 18:19:58 UTC 
selinux-policy-3.13.1-283.28.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-32ebae3424
Comment 3 Fedora Update System 2018-03-14 01:36:31 UTC 
selinux-policy-3.13.1-283.28.fc27 has been pushed to the Fedora 27 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-32ebae3424
Comment 4 Fedora Update System 2018-03-20 18:18:04 UTC 
selinux-policy-3.13.1-283.28.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.
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