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Bug 2156204 - [RHEL8.6/Insights/SELinux/Bug] SELinux AVC with Oracle and SAPHostAgent
Summary: [RHEL8.6/Insights/SELinux/Bug] SELinux AVC with Oracle and SAPHostAgent
Keywords:
Status: CLOSED ERRATA
Alias: None
Deadline: 2023-01-10
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: selinux-policy
Version: 8.7
Hardware: Unspecified
OS: Linux
medium
low
Target Milestone: rc
: 8.8
Assignee: Zdenek Pytela
QA Contact: Milos Malik
Mirek Jahoda
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-12-25 12:49 UTC by Rajesh Dulhani
Modified: 2023-05-16 11:03 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-05-16 09:04:19 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-143166 0 None None None 2022-12-25 12:53:45 UTC
Red Hat Product Errata RHBA-2023:2965 0 None None None 2023-05-16 09:04:37 UTC

Description Rajesh Dulhani 2022-12-25 12:49:24 UTC 
Description of problem:

2 or more AVCs not caught by the latest SELinux policy in RHEL8.6.
As RHEL8.7 is non-EUS I am not able to test it with Oracle and SAP. 
But I accept it if it is only fixed in RHEL8.7+

~~~
[Azure] vrempet-admin@li-lc-2766 ~
$ rpm -q selinux-policy
selinux-policy-3.14.3-95.el8_6.5.noarch

[Azure] vrempet-admin@li-lc-2766 ~
$ sudo audit2allow -t insights_client_t -a


#============= insights_client_t ==============
allow insights_client_t self:capability ipc_owner;
allow insights_client_t unconfined_service_t:sem unix_read;

[Azure] vrempet-admin@li-lc-2766 ~
$ sudo ausearch -i -m avc,user_avc -se insights_client_t
----
type=PROCTITLE msg=audit(11/24/2022 01:48:10.780:1319892) : proctitle=/usr/bin/ipcs -s -i 32801
type=IPC msg=audit(11/24/2022 01:48:10.780:1319892) : ouid=oracle ogid=asmadmin mode=000,600 obj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
type=SYSCALL msg=audit(11/24/2022 01:48:10.780:1319892) : arch=x86_64 syscall=semctl success=no exit=EACCES(Permission denied) a0=0x8021 a1=0x0 a2=0xc a3=0x0 items=0 ppid=27556 pid=27557 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=ipcs exe=/usr/bin/ipcs subj=system_u:system_r:insights_client_t:s0 key=(null)
type=AVC msg=audit(11/24/2022 01:48:10.780:1319892) : avc:  denied  { ipc_owner } for  pid=27557 comm=ipcs capability=ipc_owner  scontext=system_u:system_r:insights_client_t:s0 tcontext=system_u:system_r:insights_client_t:s0 tclass=capability permissive=0
----
type=PROCTITLE msg=audit(11/25/2022 01:14:16.276:1353604) : proctitle=/usr/bin/ipcs -s -i 32793
type=IPC msg=audit(11/25/2022 01:14:16.276:1353604) : ouid=oracle ogid=asmadmin mode=000,600 obj=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
type=SYSCALL msg=audit(11/25/2022 01:14:16.276:1353604) : arch=x86_64 syscall=semctl success=no exit=EACCES(Permission denied) a0=0x8019 a1=0x0 a2=0xc a3=0x0 items=0 ppid=34252 pid=34253 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=ipcs exe=/usr/bin/ipcs subj=system_u:system_r:insights_client_t:s0 key=(null)
type=AVC msg=audit(11/25/2022 01:14:16.276:1353604) : avc:  denied  { ipc_owner } for  pid=34253 comm=ipcs capability=ipc_owner  scontext=system_u:system_r:insights_client_t:s0 tcontext=system_u:system_r:insights_client_t:s0 tclass=capability permissive=0
----
type=PROCTITLE msg=audit(11/26/2022 01:43:08.786:1388968) : proctitle=/usr/bin/ipcs -s -i 3
type=IPC msg=audit(11/26/2022 01:43:08.786:1388968) : ouid=sapadm ogid=sapsys mode=000,777 obj=system_u:system_r:unconfined_service_t:s0
type=SYSCALL msg=audit(11/26/2022 01:43:08.786:1388968) : arch=x86_64 syscall=semctl success=no exit=EACCES(Permission denied) a0=0x3 a1=0x0 a2=0xc a3=0x0 items=0 ppid=51746 pid=51747 auid=unset uid=root gid=root euid=root suid=root fsuid=root egid=root sgid=root fsgid=root tty=(none) ses=unset comm=ipcs exe=/usr/bin/ipcs subj=system_u:system_r:insights_client_t:s0 key=(null)
type=AVC msg=audit(11/26/2022 01:43:08.786:1388968) : avc:  denied  { unix_read } for  pid=51747 comm=ipcs key=)▒▒  scontext=system_u:system_r:insights_client_t:s0 tcontext=system_u:system_r:unconfined_service_t:s0 tclass=sem permissive=0

[Azure] vrempet-admin@li-lc-2766 ~
$

~~~
Comment 1 Zdenek Pytela 2023-01-03 10:55:26 UTC 
One of the permissions is still missing:

rhel88# rpm -q selinux-policy
selinux-policy-3.14.3-113.el8.noarch
rhel88# sesearch -A -s insights_client_t -t insights_client_t -c capability -p ipc_owner
rhel88# sesearch -A -s insights_client_t -t unconfined_service_t -c sem -p unix_read
allow insights_client_t domain:sem unix_read;
Comment 13 errata-xmlrpc 2023-05-16 09:04:19 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 (selinux-policy bug fix and enhancement update), 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-2023:2965
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