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Bug 1836795 - SELinux prevents ns-slapd from reading directories on cgroup file-system
Summary: SELinux prevents ns-slapd from reading directories on cgroup file-system
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: selinux-policy
Version: 8.3
Hardware: Unspecified
OS: Linux
medium
high
Target Milestone: rc
: 8.3
Assignee: Zdenek Pytela
QA Contact: Milos Malik
URL:
Whiteboard:
: 1843920 (view as bug list)
Depends On:
Blocks: 1842946
TreeView+ depends on / blocked
 
Reported: 2020-05-18 07:52 UTC by Steeve Goveas
Modified: 2023-12-15 17:56 UTC (History)
8 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2020-11-04 01:56:37 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2020:4528 0 None None None 2020-11-04 01:57:06 UTC

Description Steeve Goveas 2020-05-18 07:52:36 UTC 
Description of problem:
selinux denies read access to ns-slapd

Version-Release number of selected component (if applicable):
selinux-policy-3.14.3-43.el8.noarch

How reproducible:
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
Memory protection checking:     actual (secure)
Max kernel policy version:      32
selinux-policy-3.14.3-43.el8.noarch
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.931:1659): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.931:1659): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.931:1659): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.933:1660): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.933:1660): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.933:1660): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.934:1661): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.934:1661): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.934:1661): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.935:1662): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.935:1662): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.935:1662): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.935:1663): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.935:1663): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.935:1663): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.942:1664): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.942:1664): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.942:1664): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.944:1665): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.944:1665): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.944:1665): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
----
time->Mon May 18 03:09:38 2020
type=PROCTITLE msg=audit(1589785778.945:1666): proctitle=2F7573722F7362696E2F6E732D736C617064002D44002F6574632F6469727372762F736C6170642D74657374002D69002F72756E2F6469727372762F736C6170642D746573742E706964
type=SYSCALL msg=audit(1589785778.945:1666): arch=c000003e syscall=257 success=no exit=-13 a0=ffffff9c a1=7f1f63804620 a2=90800 a3=0 items=0 ppid=1 pid=22402 auid=4294967295 uid=65534 gid=65534 euid=65534 suid=65534 fsuid=65534 egid=65534 sgid=65534 fsgid=65534 tty=(none) ses=4294967295 comm="ns-slapd" exe="/usr/sbin/ns-slapd" subj=system_u:system_r:dirsrv_t:s0 key=(null)
type=AVC msg=audit(1589785778.945:1666): avc:  denied  { read } for  pid=22402 comm="ns-slapd" name="/" dev="cgroup" ino=1 scontext=system_u:system_r:dirsrv_t:s0 tcontext=system_u:object_r:cgroup_t:s0 tclass=dir permissive=0
Comment 1 Zdenek Pytela 2020-05-18 08:42:52 UTC 
These are the current rules in the policy:

allow dirsrv_t cgroup_t:dir { getattr open search };
allow dirsrv_t cgroup_t:file { getattr ioctl lock open read };
allow dirsrv_t cgroup_t:lnk_file { getattr read };

dir read seems to be required to add.
Comment 2 Zdenek Pytela 2020-06-10 14:06:05 UTC 
*** Bug 1843920 has been marked as a duplicate of this bug. ***
Comment 6 Zdenek Pytela 2020-06-15 09:15:52 UTC 
*** Bug 1846598 has been marked as a duplicate of this bug. ***
Comment 15 errata-xmlrpc 2020-11-04 01:56:37 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-2020:4528
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