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Bug 1718814

Summary:	Confined users not working with Cockpit sessions
Product:	Red Hat Enterprise Linux 8	Reporter:	Lukas Vrabec <lvrabec>
Component:	selinux-policy	Assignee:	Lukas Vrabec <lvrabec>
Status:	CLOSED ERRATA	QA Contact:	Milos Malik <mmalik>
Severity:	high	Docs Contact:	Mirek Jahoda <mjahoda>
Priority:	high
Version:	8.1	CC:	lvrabec, mjahoda, mmalik, mpitt, plautrba, ssekidde, zpytela
Target Milestone:	rc	Flags:	pm-rhel: mirror+
Target Release:	8.1
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	No Doc Update
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-11-05 22:11:44 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:
Bug Blocks:	1727382, 1778780

Comment 2 Milos Malik 2019-06-12 08:54:01 UTC

Is there a how-to document about setting up the cockpit environment?

Comment 3 Lukas Vrabec 2019-06-12 09:04:02 UTC

Hi Milos, 

# dnf install cockpit cockpit-ws -y 

# systemctl start cockpit.socket

and in browser: https://systemhostname:9090

Comment 4 Milos Malik 2019-06-12 11:22:52 UTC

The scenario reproduced on unfixed version of selinux-policy triggers following SELinux denials in enforcing mode:
----
type=PROCTITLE msg=audit(06/12/2019 07:17:51.730:383) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:17:51.730:383) : arch=x86_64 syscall=execve success=yes exit=0 a0=0x55701f2f9240 a1=0x55701f2f97f0 a2=0x55701f2f9420 a3=0x55701f2ef010 items=0 ppid=6390 pid=6394 auid=staff-user uid=staff-user gid=staff-user euid=staff-user suid=staff-user fsuid=staff-user egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=7 comm=ssh-agent exe=/usr/bin/ssh-agent subj=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:17:51.730:383) : avc:  denied  { write } for  pid=6394 comm=ssh-agent path=pipe:[39504] dev="pipefs" ino=39504 scontext=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:17:51.730:383) : avc:  denied  { write } for  pid=6394 comm=ssh-agent path=pipe:[39503] dev="pipefs" ino=39503 scontext=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:17:51.730:383) : avc:  denied  { read } for  pid=6394 comm=ssh-agent path=pipe:[39502] dev="pipefs" ino=39502 scontext=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
----
type=USER_AVC msg=audit(06/12/2019 07:17:51.782:384) : pid=1 uid=root auid=unset ses=unset subj=system_u:system_r:init_t:s0 msg='avc:  received policyload notice (seqno=2)  exe=/usr/lib/systemd/systemd sauid=root hostname=? addr=? terminal=?' 
----
type=PROCTITLE msg=audit(06/12/2019 07:17:52.486:393) : proctitle=ssh-agent -a /run/user/1000/ssh-agent.RRFJ3Z 
type=SYSCALL msg=audit(06/12/2019 07:17:52.486:393) : arch=x86_64 syscall=bind success=no exit=EACCES(Permission denied) a0=0x3 a1=0x7ffe327224c0 a2=0x6e a3=0x633c137c items=0 ppid=6408 pid=6410 auid=staff-user uid=staff-user gid=staff-user euid=staff-user suid=staff-user fsuid=staff-user egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=7 comm=ssh-agent exe=/usr/bin/ssh-agent subj=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:17:52.486:393) : avc:  denied  { write } for  pid=6410 comm=ssh-agent name=/ dev="tmpfs" ino=39728 scontext=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:object_r:user_tmp_t:s0 tclass=dir permissive=0 
----

Comment 5 Milos Malik 2019-06-12 11:33:21 UTC

The scenario reproduced on unfixed version of selinux-policy triggers following SELinux denials in permissive mode:
----
type=PROCTITLE msg=audit(06/12/2019 07:27:51.128:418) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:27:51.128:418) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x0 a1=TCGETS a2=0x7ffe1f2becf0 a3=0x0 items=0 ppid=6465 pid=6484 auid=staff-user uid=staff-user gid=staff-user euid=staff-user suid=staff-user fsuid=staff-user egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=9 comm=bash exe=/usr/bin/bash subj=staff_u:staff_r:staff_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:27:51.128:418) : avc:  denied  { ioctl } for  pid=6484 comm=bash path=socket:[40959] dev="sockfs" ino=40959 ioctlcmd=TCGETS scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:27:51.129:419) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:27:51.129:419) : arch=x86_64 syscall=getpeername success=yes exit=0 a0=0x0 a1=0x7ffe1f2beee0 a2=0x7ffe1f2beedc a3=0x8 items=0 ppid=6465 pid=6484 auid=staff-user uid=staff-user gid=staff-user euid=staff-user suid=staff-user fsuid=staff-user egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=9 comm=bash exe=/usr/bin/bash subj=staff_u:staff_r:staff_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:27:51.129:419) : avc:  denied  { getattr } for  pid=6484 comm=bash scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:27:55.281:420) : proctitle=/usr/bin/pkexec --disable-internal-agent cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:27:55.281:420) : arch=x86_64 syscall=stat success=yes exit=0 a0=0x7fac6ce81ae2 a1=0x7ffc5c9ee7c0 a2=0x7ffc5c9ee7c0 a3=0x55f98d6c9010 items=0 ppid=6484 pid=6530 auid=staff-user uid=staff-user gid=staff-user euid=root suid=root fsuid=root egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=9 comm=pkexec exe=/usr/bin/pkexec subj=staff_u:staff_r:staff_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:27:55.281:420) : avc:  denied  { dac_read_search } for  pid=6530 comm=pkexec capability=dac_read_search  scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tclass=capability permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:27:55.899:423) : proctitle=/usr/bin/sudo -A cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:27:55.899:423) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x2 a1=TIOCGWINSZ a2=0x7ffeb3e09820 a3=0x5560635ae010 items=0 ppid=6484 pid=6551 auid=staff-user uid=staff-user gid=staff-user euid=root suid=root fsuid=root egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=9 comm=sudo exe=/usr/bin/sudo subj=staff_u:staff_r:staff_sudo_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:27:55.899:423) : avc:  denied  { ioctl } for  pid=6551 comm=sudo path=socket:[41421] dev="sockfs" ino=41421 ioctlcmd=TIOCGWINSZ scontext=staff_u:staff_r:staff_sudo_t:s0-s0:c0.c1023 tcontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=1 
----
type=USER_AVC msg=audit(06/12/2019 07:27:56.615:425) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.SubscriptionManager.EntitlementStatus member=check_status dest=com.redhat.SubscriptionManager spid=6484 tpid=6540 scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:27:56.739:426) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.92 spid=6540 tpid=6484 scontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tcontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:28:03.164:432) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.tuned.control member=is_running dest=com.redhat.tuned spid=6484 tpid=718 scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:system_r:tuned_t:s0 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=PROCTITLE msg=audit(06/12/2019 07:29:17.599:434) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:29:17.599:434) : arch=x86_64 syscall=shutdown success=yes exit=0 a0=0x3 a1=0x1 a2=0x55a5a1e26010 a3=0x0 items=0 ppid=6465 pid=6484 auid=staff-user uid=staff-user gid=staff-user euid=staff-user suid=staff-user fsuid=staff-user egid=staff-user sgid=staff-user fsgid=staff-user tty=(none) ses=9 comm=cockpit-bridge exe=/usr/bin/cockpit-bridge subj=staff_u:staff_r:staff_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:29:17.599:434) : avc:  denied  { shutdown } for  pid=6484 comm=cockpit-bridge scontext=staff_u:staff_r:staff_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:29:17.619:436) : proctitle=/usr/libexec/cockpit-session localhost 
type=SYSCALL msg=audit(06/12/2019 07:29:17.619:436) : arch=x86_64 syscall=kill success=yes exit=0 a0=0x1946 a1=SIGTERM a2=0x0 a3=0x7f6de1acc020 items=0 ppid=6460 pid=6465 auid=staff-user uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=9 comm=cockpit-session exe=/usr/libexec/cockpit-session subj=system_u:system_r:cockpit_session_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:29:17.619:436) : avc:  denied  { signal } for  pid=6465 comm=cockpit-session scontext=system_u:system_r:cockpit_session_t:s0 tcontext=staff_u:staff_r:staff_ssh_agent_t:s0-s0:c0.c1023 tclass=process permissive=1 
----

Comment 6 Milos Malik 2019-06-12 11:39:59 UTC

The same scenario in enforcing mode for user_u user:
----
type=PROCTITLE msg=audit(06/12/2019 07:38:07.171:458) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:38:07.171:458) : arch=x86_64 syscall=execve success=yes exit=0 a0=0x5584537ad240 a1=0x5584537ad7f0 a2=0x5584537ad420 a3=0x5584537a3010 items=0 ppid=8030 pid=8034 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=11 comm=ssh-agent exe=/usr/bin/ssh-agent subj=user_u:user_r:user_ssh_agent_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:38:07.171:458) : avc:  denied  { write } for  pid=8034 comm=ssh-agent path=pipe:[46804] dev="pipefs" ino=46804 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:38:07.171:458) : avc:  denied  { write } for  pid=8034 comm=ssh-agent path=pipe:[46803] dev="pipefs" ino=46803 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:38:07.171:458) : avc:  denied  { read } for  pid=8034 comm=ssh-agent path=pipe:[46802] dev="pipefs" ino=46802 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
----
type=PROCTITLE msg=audit(06/12/2019 07:38:07.577:469) : proctitle=ssh-agent -a /run/user/1001/ssh-agent.2SCK3Z 
type=SYSCALL msg=audit(06/12/2019 07:38:07.577:469) : arch=x86_64 syscall=bind success=no exit=EACCES(Permission denied) a0=0x3 a1=0x7ffc7d2c9e20 a2=0x6e a3=0xc0e14d27 items=0 ppid=8049 pid=8051 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=11 comm=ssh-agent exe=/usr/bin/ssh-agent subj=user_u:user_r:user_ssh_agent_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:38:07.577:469) : avc:  denied  { write } for  pid=8051 comm=ssh-agent name=/ dev="tmpfs" ino=47032 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:object_r:user_tmp_t:s0 tclass=dir permissive=0 
----

Comment 7 Milos Malik 2019-06-12 11:42:47 UTC

The same scenario in permissive mode for user_u user:
----
type=PROCTITLE msg=audit(06/12/2019 07:40:24.336:483) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:40:24.336:483) : arch=x86_64 syscall=execve success=yes exit=0 a0=0x56422a355240 a1=0x56422a3557f0 a2=0x56422a355420 a3=0x56422a34b010 items=0 ppid=8099 pid=8103 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=ssh-agent exe=/usr/bin/ssh-agent subj=user_u:user_r:user_ssh_agent_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:24.336:483) : avc:  denied  { write } for  pid=8103 comm=ssh-agent path=pipe:[48197] dev="pipefs" ino=48197 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
type=AVC msg=audit(06/12/2019 07:40:24.336:483) : avc:  denied  { read } for  pid=8103 comm=ssh-agent path=pipe:[48196] dev="pipefs" ino=48196 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:24.341:484) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:40:24.341:484) : arch=x86_64 syscall=fstat success=yes exit=0 a0=0x1 a1=0x7fff4c3a40b0 a2=0x7fff4c3a40b0 a3=0x0 items=0 ppid=8099 pid=8103 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=ssh-agent exe=/usr/bin/ssh-agent subj=user_u:user_r:user_ssh_agent_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:24.341:484) : avc:  denied  { getattr } for  pid=8103 comm=ssh-agent path=pipe:[48197] dev="pipefs" ino=48197 scontext=user_u:user_r:user_ssh_agent_t:s0 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:24.688:494) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:40:24.688:494) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x0 a1=TCGETS a2=0x7fffc35bde80 a3=0x0 items=0 ppid=8099 pid=8118 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=bash exe=/usr/bin/bash subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:24.688:494) : avc:  denied  { ioctl } for  pid=8118 comm=bash path=socket:[48146] dev="sockfs" ino=48146 ioctlcmd=TCGETS scontext=user_u:user_r:user_t:s0 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:24.689:495) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:40:24.689:495) : arch=x86_64 syscall=getpeername success=yes exit=0 a0=0x0 a1=0x7fffc35be070 a2=0x7fffc35be06c a3=0x8 items=0 ppid=8099 pid=8118 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=bash exe=/usr/bin/bash subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:24.689:495) : avc:  denied  { getattr } for  pid=8118 comm=bash scontext=user_u:user_r:user_t:s0 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:29.676:497) : proctitle=/usr/bin/pkexec --disable-internal-agent cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:40:29.676:497) : arch=x86_64 syscall=stat success=yes exit=0 a0=0x7f2e0d042ae2 a1=0x7ffc5c3d47b0 a2=0x7ffc5c3d47b0 a3=0x55e679bb0010 items=0 ppid=8118 pid=8170 auid=user-user uid=user-user gid=user-user euid=root suid=root fsuid=root egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=pkexec exe=/usr/bin/pkexec subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:29.676:497) : avc:  denied  { dac_read_search } for  pid=8170 comm=pkexec capability=dac_read_search  scontext=user_u:user_r:user_t:s0 tcontext=user_u:user_r:user_t:s0 tclass=capability permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:29.949:499) : proctitle=/usr/bin/sudo -A cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:40:29.949:499) : arch=x86_64 syscall=prlimit64 success=yes exit=0 a0=0x0 a1=0x6 a2=0x7fff0a8535a0 a3=0x0 items=0 ppid=8118 pid=8186 auid=user-user uid=user-user gid=user-user euid=root suid=root fsuid=root egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=sudo exe=/usr/bin/sudo subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:29.949:499) : avc:  denied  { sys_resource } for  pid=8186 comm=sudo capability=sys_resource  scontext=user_u:user_r:user_t:s0 tcontext=user_u:user_r:user_t:s0 tclass=capability permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:29.959:500) : proctitle=/usr/bin/sudo -A cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:40:29.959:500) : arch=x86_64 syscall=openat success=yes exit=8 a0=0xffffff9c a1=0x5557bc2fccb0 a2=O_RDWR|O_CREAT a3=0x180 items=0 ppid=8118 pid=8186 auid=user-user uid=user-user gid=user-user euid=root suid=root fsuid=root egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=sudo exe=/usr/bin/sudo subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:29.959:500) : avc:  denied  { read write open } for  pid=8186 comm=sudo path=/run/sudo/ts/user-user dev="tmpfs" ino=49753 scontext=user_u:user_r:user_t:s0 tcontext=user_u:object_r:pam_var_run_t:s0 tclass=file permissive=1 
type=AVC msg=audit(06/12/2019 07:40:29.959:500) : avc:  denied  { create } for  pid=8186 comm=sudo name=user-user scontext=user_u:user_r:user_t:s0 tcontext=user_u:object_r:pam_var_run_t:s0 tclass=file permissive=1 
type=AVC msg=audit(06/12/2019 07:40:29.959:500) : avc:  denied  { add_name } for  pid=8186 comm=sudo name=user-user scontext=user_u:user_r:user_t:s0 tcontext=system_u:object_r:pam_var_run_t:s0 tclass=dir permissive=1 
type=AVC msg=audit(06/12/2019 07:40:29.959:500) : avc:  denied  { write } for  pid=8186 comm=sudo name=ts dev="tmpfs" ino=18389 scontext=user_u:user_r:user_t:s0 tcontext=system_u:object_r:pam_var_run_t:s0 tclass=dir permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:29.959:501) : proctitle=/usr/bin/sudo -A cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:40:29.959:501) : arch=x86_64 syscall=fcntl success=yes exit=0 a0=0x8 a1=F_SETLKW a2=0x7fff0a8530b0 a3=0x8 items=0 ppid=8118 pid=8186 auid=user-user uid=user-user gid=user-user euid=root suid=root fsuid=root egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=sudo exe=/usr/bin/sudo subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:29.959:501) : avc:  denied  { lock } for  pid=8186 comm=sudo path=/run/sudo/ts/user-user dev="tmpfs" ino=49753 scontext=user_u:user_r:user_t:s0 tcontext=user_u:object_r:pam_var_run_t:s0 tclass=file permissive=1 
----
type=USER_AVC msg=audit(06/12/2019 07:40:31.174:503) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.SubscriptionManager.EntitlementStatus member=check_status dest=com.redhat.SubscriptionManager spid=8118 tpid=8181 scontext=user_u:user_r:user_t:s0 tcontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:40:31.444:504) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.202 spid=8181 tpid=8118 scontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tcontext=user_u:user_r:user_t:s0 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:40:36.719:510) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.tuned.control member=is_running dest=com.redhat.tuned spid=8118 tpid=718 scontext=user_u:user_r:user_t:s0 tcontext=system_u:system_r:tuned_t:s0 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:40:36.852:511) : pid=1 uid=root auid=unset ses=unset subj=system_u:system_r:init_t:s0 msg='avc:  denied  { status } for auid=unset uid=root gid=user-user path=/usr/lib/systemd/system/timedatex.service cmdline="cockpit-bridge" scontext=user_u:user_r:user_t:s0 tcontext=system_u:object_r:systemd_unit_file_t:s0 tclass=service permissive=1  exe=/usr/lib/systemd/systemd sauid=root hostname=? addr=? terminal=?' 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:44.990:512) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:40:44.990:512) : arch=x86_64 syscall=shutdown success=yes exit=0 a0=0x3 a1=0x1 a2=0x558111d1e010 a3=0x0 items=0 ppid=8099 pid=8118 auid=user-user uid=user-user gid=user-user euid=user-user suid=user-user fsuid=user-user egid=user-user sgid=user-user fsgid=user-user tty=(none) ses=13 comm=cockpit-bridge exe=/usr/bin/cockpit-bridge subj=user_u:user_r:user_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:44.990:512) : avc:  denied  { shutdown } for  pid=8118 comm=cockpit-bridge scontext=user_u:user_r:user_t:s0 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:40:45.009:514) : proctitle=/usr/libexec/cockpit-session localhost 
type=SYSCALL msg=audit(06/12/2019 07:40:45.009:514) : arch=x86_64 syscall=kill success=yes exit=0 a0=0x1fa8 a1=SIGTERM a2=0x0 a3=0x7f38d89c0020 items=0 ppid=8095 pid=8099 auid=user-user uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=13 comm=cockpit-session exe=/usr/libexec/cockpit-session subj=system_u:system_r:cockpit_session_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:40:45.009:514) : avc:  denied  { signal } for  pid=8099 comm=cockpit-session scontext=system_u:system_r:cockpit_session_t:s0 tcontext=user_u:user_r:user_ssh_agent_t:s0 tclass=process permissive=1 
----

Comment 8 Milos Malik 2019-06-12 11:50:33 UTC

The same scenario in enforcing mode for sysadm_u user:
----
type=PROCTITLE msg=audit(06/12/2019 07:48:33.190:539) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:48:33.190:539) : arch=x86_64 syscall=execve success=yes exit=0 a0=0x55b7c8ffc240 a1=0x55b7c8ffc7f0 a2=0x55b7c8ffc420 a3=0x55b7c8ff2010 items=0 ppid=9655 pid=9659 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=15 comm=ssh-agent exe=/usr/bin/ssh-agent subj=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:48:33.190:539) : avc:  denied  { write } for  pid=9659 comm=ssh-agent path=pipe:[54544] dev="pipefs" ino=54544 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:48:33.190:539) : avc:  denied  { write } for  pid=9659 comm=ssh-agent path=pipe:[54543] dev="pipefs" ino=54543 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
type=AVC msg=audit(06/12/2019 07:48:33.190:539) : avc:  denied  { read } for  pid=9659 comm=ssh-agent path=pipe:[54542] dev="pipefs" ino=54542 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=0 
----
type=PROCTITLE msg=audit(06/12/2019 07:48:33.702:550) : proctitle=ssh-agent -a /run/user/1002/ssh-agent.7FEN3Z 
type=SYSCALL msg=audit(06/12/2019 07:48:33.702:550) : arch=x86_64 syscall=bind success=no exit=EACCES(Permission denied) a0=0x3 a1=0x7ffd1ea0e3e0 a2=0x6e a3=0x891c8421 items=0 ppid=9673 pid=9675 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=15 comm=ssh-agent exe=/usr/bin/ssh-agent subj=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:48:33.702:550) : avc:  denied  { write } for  pid=9675 comm=ssh-agent name=/ dev="tmpfs" ino=54751 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:object_r:user_tmp_t:s0 tclass=dir permissive=0 
----

Comment 9 Milos Malik 2019-06-12 11:54:23 UTC

The same scenario in permissive mode for sysadm_u user:
----
type=PROCTITLE msg=audit(06/12/2019 07:52:14.928:564) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:52:14.928:564) : arch=x86_64 syscall=execve success=yes exit=0 a0=0x556bd42e2240 a1=0x556bd42e27f0 a2=0x556bd42e2420 a3=0x556bd42d8010 items=0 ppid=9721 pid=9725 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=17 comm=ssh-agent exe=/usr/bin/ssh-agent subj=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:14.928:564) : avc:  denied  { write } for  pid=9725 comm=ssh-agent path=pipe:[55954] dev="pipefs" ino=55954 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
type=AVC msg=audit(06/12/2019 07:52:14.928:564) : avc:  denied  { read } for  pid=9725 comm=ssh-agent path=pipe:[55953] dev="pipefs" ino=55953 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:52:14.946:565) : proctitle=/usr/bin/ssh-agent 
type=SYSCALL msg=audit(06/12/2019 07:52:14.946:565) : arch=x86_64 syscall=fstat success=yes exit=0 a0=0x1 a1=0x7ffefe25e980 a2=0x7ffefe25e980 a3=0x0 items=0 ppid=9721 pid=9725 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=17 comm=ssh-agent exe=/usr/bin/ssh-agent subj=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:14.946:565) : avc:  denied  { getattr } for  pid=9725 comm=ssh-agent path=pipe:[55954] dev="pipefs" ino=55954 scontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_session_t:s0 tclass=fifo_file permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:52:15.635:575) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:52:15.635:575) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x0 a1=TCGETS a2=0x7ffc58c05e20 a3=0x0 items=0 ppid=9721 pid=9740 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=17 comm=bash exe=/usr/bin/bash subj=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:15.635:575) : avc:  denied  { ioctl } for  pid=9740 comm=bash path=socket:[55903] dev="sockfs" ino=55903 ioctlcmd=TCGETS scontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:52:21.608:577) : proctitle=/usr/bin/sudo -A cockpit-bridge --privileged 
type=SYSCALL msg=audit(06/12/2019 07:52:21.608:577) : arch=x86_64 syscall=ioctl success=no exit=ENOTTY(Inappropriate ioctl for device) a0=0x2 a1=TIOCGWINSZ a2=0x7ffd9bc967f0 a3=0x5579505a5010 items=0 ppid=9740 pid=9799 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=root suid=root fsuid=root egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=17 comm=sudo exe=/usr/bin/sudo subj=sysadm_u:sysadm_r:sysadm_sudo_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:21.608:577) : avc:  denied  { ioctl } for  pid=9799 comm=sudo path=socket:[56356] dev="sockfs" ino=56356 ioctlcmd=TIOCGWINSZ scontext=sysadm_u:sysadm_r:sysadm_sudo_t:s0-s0:c0.c1023 tcontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tclass=unix_stream_socket permissive=1 
----
type=USER_AVC msg=audit(06/12/2019 07:52:23.542:580) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.SubscriptionManager.EntitlementStatus member=check_status dest=com.redhat.SubscriptionManager spid=9740 tpid=9815 scontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:52:23.728:582) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_return dest=:1.317 spid=9815 tpid=9740 scontext=system_u:system_r:rhsmcertd_t:s0-s0:c0.c1023 tcontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=USER_AVC msg=audit(06/12/2019 07:52:28.210:587) : pid=652 uid=dbus auid=unset ses=unset subj=system_u:system_r:system_dbusd_t:s0-s0:c0.c1023 msg='avc:  denied  { send_msg } for msgtype=method_call interface=com.redhat.tuned.control member=is_running dest=com.redhat.tuned spid=9740 tpid=718 scontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:tuned_t:s0 tclass=dbus permissive=1  exe=/usr/bin/dbus-daemon sauid=dbus hostname=? addr=? terminal=?' 
----
type=PROCTITLE msg=audit(06/12/2019 07:52:48.133:588) : proctitle=/bin/bash -c exec cockpit-bridge 
type=SYSCALL msg=audit(06/12/2019 07:52:48.133:588) : arch=x86_64 syscall=shutdown success=yes exit=0 a0=0x3 a1=0x1 a2=0x556a7e64a010 a3=0x0 items=0 ppid=9721 pid=9740 auid=sysadm-user uid=sysadm-user gid=sysadm-user euid=sysadm-user suid=sysadm-user fsuid=sysadm-user egid=sysadm-user sgid=sysadm-user fsgid=sysadm-user tty=(none) ses=17 comm=cockpit-bridge exe=/usr/bin/cockpit-bridge subj=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:48.133:588) : avc:  denied  { shutdown } for  pid=9740 comm=cockpit-bridge scontext=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 tcontext=system_u:system_r:cockpit_ws_t:s0 tclass=unix_stream_socket permissive=1 
----
type=PROCTITLE msg=audit(06/12/2019 07:52:48.149:590) : proctitle=/usr/libexec/cockpit-session localhost 
type=SYSCALL msg=audit(06/12/2019 07:52:48.149:590) : arch=x86_64 syscall=kill success=yes exit=0 a0=0x25fe a1=SIGTERM a2=0x0 a3=0x7fd4008e6020 items=0 ppid=9717 pid=9721 auid=sysadm-user uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=17 comm=cockpit-session exe=/usr/libexec/cockpit-session subj=system_u:system_r:cockpit_session_t:s0 key=(null) 
type=AVC msg=audit(06/12/2019 07:52:48.149:590) : avc:  denied  { signal } for  pid=9721 comm=cockpit-session scontext=system_u:system_r:cockpit_session_t:s0 tcontext=sysadm_u:sysadm_r:sysadm_ssh_agent_t:s0-s0:c0.c1023 tclass=process permissive=1 
----

Comment 11 Lukas Vrabec 2019-07-08 13:45:32 UTC

*** Bug 1727902 has been marked as a duplicate of this bug. ***

Comment 18 Martin Pitt 2019-11-04 08:06:56 UTC

Similarly to bug 1727887, this now works as "user_u", but not as "guest_u":

systemd[3133]: pam_unix(systemd-user:session): session opened for user unpriv by (uid=0)
kernel: audit: type=1400 audit(1572854232.617:12): avc:  denied  { signal } for  pid=3133 comm="systemd" scontext=guest_u:guest_r:guest_t:s0 tcontext=system_u:system_r:init_t:s0 tclass=process permissive=0
systemd[1]: user: Failed with result 'protocol'.
systemd[1]: Failed to start User Manager for UID 1002.

cockpit-bridge[3140]: dbus-daemon didn't send us a dbus address; not installed?
kernel: audit: type=1400 audit(1572854232.689:13): avc:  denied  { listen } for  pid=3140 comm="cockpit-bridge" laddr=127.0.0.1 lport=37385 scontext=guest_u:guest_r:guest_t:s0 tcontext=guest_u:guest_r:guest_t:s0 tclass=tcp_socket permissive=0
cockpit-bridge[3140]: couldn't get polkit authority: Error initializing authority: Could not connect: Permission denied
cockpit-bridge[3140]: couldn't bind and listen to local ipv4 socket: could not listen: Permission denied

The first block is bug 1727887, the second this one.

Comment 26 errata-xmlrpc 2019-11-05 22:11:44 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-2019:3547