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Bug 1685591 - [RHEL 7.7] boltd SELinux AVC running gnome on a system with thunderbolt
Summary: [RHEL 7.7] boltd SELinux AVC running gnome on a system with thunderbolt
Keywords:
Status: CLOSED DUPLICATE of bug 1589086
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: selinux-policy
Version: 7.7
Hardware: x86_64
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Lukas Vrabec
QA Contact: Milos Malik
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-03-05 15:08 UTC by Erico Nunes
Modified: 2019-03-06 12:27 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-03-06 12:27:41 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Erico Nunes 2019-03-05 15:08:34 UTC 
Description of problem:

SELinux status:                 enabled
SELinuxfs mount:                /sys/fs/selinux
SELinux root directory:         /etc/selinux
Loaded policy name:             targeted
Current mode:                   enforcing
Mode from config file:          enforcing
Policy MLS status:              enabled
Policy deny_unknown status:     allowed
Max kernel policy version:      31
selinux-policy-3.13.1-238.el7.noarch
----
time->Tue Mar  5 15:35:32 2019
type=PROCTITLE msg=audit(1551796532.166:58): proctitle="/usr/libexec/boltd"
type=SYSCALL msg=audit(1551796532.166:58): arch=c000003e syscall=42 success=no exit=-13 a0=6 a1=7efdbf8dba70 a2=6e a3=7efdbf8db4a0 items=0 ppid=1 pid=5587 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pool" exe="/usr/libexec/boltd" subj=system_u:system_r:boltd_t:s0 key=(null)
type=AVC msg=audit(1551796532.166:58): avc:  denied  { connectto } for  pid=5587 comm="pool" path="/run/dbus/system_bus_socket" scontext=system_u:system_r:boltd_t:s0 tcontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=0
----
time->Tue Mar  5 15:35:32 2019
type=PROCTITLE msg=audit(1551796532.590:62): proctitle="/usr/libexec/boltd"
type=SYSCALL msg=audit(1551796532.590:62): arch=c000003e syscall=42 success=no exit=-13 a0=6 a1=7f0fb6151a70 a2=6e a3=7f0fb61514a0 items=0 ppid=1 pid=5666 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pool" exe="/usr/libexec/boltd" subj=system_u:system_r:boltd_t:s0 key=(null)
type=AVC msg=audit(1551796532.590:62): avc:  denied  { connectto } for  pid=5666 comm="pool" path="/run/dbus/system_bus_socket" scontext=system_u:system_r:boltd_t:s0 tcontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=0
----
time->Tue Mar  5 15:35:33 2019
type=PROCTITLE msg=audit(1551796533.004:66): proctitle="/usr/libexec/boltd"
type=SYSCALL msg=audit(1551796533.004:66): arch=c000003e syscall=42 success=no exit=-13 a0=6 a1=7f79cf95fa70 a2=6e a3=7f79cf95f4a0 items=0 ppid=1 pid=5696 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pool" exe="/usr/libexec/boltd" subj=system_u:system_r:boltd_t:s0 key=(null)
type=AVC msg=audit(1551796533.004:66): avc:  denied  { connectto } for  pid=5696 comm="pool" path="/run/dbus/system_bus_socket" scontext=system_u:system_r:boltd_t:s0 tcontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=0
----
time->Tue Mar  5 15:35:45 2019
type=PROCTITLE msg=audit(1551796545.274:120): proctitle="/usr/libexec/boltd"
type=SYSCALL msg=audit(1551796545.274:120): arch=c000003e syscall=42 success=no exit=-13 a0=6 a1=7fe7e4d50a70 a2=6e a3=7fe7e4d504a0 items=0 ppid=1 pid=9221 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pool" exe="/usr/libexec/boltd" subj=system_u:system_r:boltd_t:s0 key=(null)
type=AVC msg=audit(1551796545.274:120): avc:  denied  { connectto } for  pid=9221 comm="pool" path="/run/dbus/system_bus_socket" scontext=system_u:system_r:boltd_t:s0 tcontext=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=0
----
time->Tue Mar  5 15:35:43 2019
type=PROCTITLE msg=audit(1551796543.166:117): proctitle=67646D2D73657373696F6E2D776F726B6572205B70616D2F67646D2D6175746F6C6F67696E5D
type=SYSCALL msg=audit(1551796543.166:117): arch=c000003e syscall=83 success=no exit=-13 a0=55d5fe81aff0 a1=1c0 a2=55d5fe81b000 a3=b items=0 ppid=7381 pid=7919 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="gdm-session-wor" exe="/usr/libexec/gdm-session-worker" subj=system_u:system_r:xdm_t:s0-s0:c0.c1023 key=(null)
type=AVC msg=audit(1551796543.166:117): avc:  denied  { create } for  pid=7919 comm="gdm-session-wor" name="gdm" scontext=system_u:system_r:xdm_t:s0-s0:c0.c1023 tcontext=system_u:object_r:admin_home_t:s0 tclass=dir permissive=0


Version-Release number of selected component (if applicable):
RHEL-7.7-20190226.n.0
kernel 3.10.0-1013.el7.x86_64

How reproducible:
Consistently

Steps to Reproduce:
1. Get a system with thunderbolt (example system: dell-pr3520-01.tpb.lab.eng.brq.redhat.com)
2. yum group install -y "Server with GUI"
3. systemctl set-default graphical.target
4. reboot
Comment 2 Milos Malik 2019-03-05 15:57:59 UTC 
I believe that first 4 SELinux denials are already mentioned in https://bugzilla.redhat.com/show_bug.cgi?id=1589086#c28. The fifth SELinux denial can be avoided by enabling the xdm_write_home boolean.
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