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Bug 2081636 - various denials on openvswitch / ipsec
Summary: various denials on openvswitch / ipsec
Keywords:
Status: CLOSED INSUFFICIENT_DATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: selinux-policy
Version: CentOS Stream
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: 9.3
Assignee: Zdenek Pytela
QA Contact: BaseOS QE Security Team
URL:
Whiteboard:
Depends On:
Blocks: oVirt_on_CentOS_Stream_9_Hosts 2100965
TreeView+ depends on / blocked
 
Reported: 2022-05-04 09:16 UTC by Sandro Bonazzola
Modified: 2023-07-17 06:48 UTC (History)
12 users (show)

Fixed In Version:
Doc Type: No Doc Update
Doc Text:
Clone Of:
Environment:
Last Closed: 2023-07-17 06:48:04 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1988164 0 medium CLOSED openvswitch policy failures 2023-09-18 00:29:26 UTC
Red Hat Issue Tracker RHELPLAN-121012 0 None None None 2022-05-04 09:35:45 UTC

Description Sandro Bonazzola 2022-05-04 09:16:20 UTC 
This has been observed on CentOS Stream 9:


----
time->Wed May  4 08:52:12 2022
type=PROCTITLE msg=audit(1651654332.305:3395): proctitle=6D6F6470726F6265006F70656E76737769746368
type=SYSCALL msg=audit(1651654332.305:3395): arch=c000003e syscall=175 success=yes exit=0 a0=55c1a29f78d0 a1=570d8 a2=55c1a170c962 a3=5 items=0 ppid=46405 pid=46413 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="modprobe" exe="/usr/bin/kmod" subj=system_u:system_r:openvswitch_load_module_t:s0 key=(null)
type=AVC msg=audit(1651654332.305:3395): avc:  denied  { search } for  pid=46413 comm="modprobe" name="events" dev="tracefs" ino=51 scontext=system_u:system_r:openvswitch_load_module_t:s0 tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
type=AVC msg=audit(1651654332.305:3395): avc:  denied  { search } for  pid=46413 comm="modprobe" name="events" dev="tracefs" ino=51 scontext=system_u:system_r:openvswitch_load_module_t:s0 tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
----
time->Wed May  4 08:52:38 2022
type=PROCTITLE msg=audit(1651654358.535:4262): proctitle=706B31327574696C002D69002F746D702F6F76735F636572746B65795F6E6F64653435656C392E6C61622E703132002D640073716C3A2F6574632F69707365632E642F002D57
type=SYSCALL msg=audit(1651654358.535:4262): arch=c000003e syscall=257 success=yes exit=3 a0=ffffff9c a1=55ec05811100 a2=442 a3=180 items=0 ppid=50198 pid=50215 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pk12util" exe="/usr/bin/pk12util" subj=system_u:system_r:openvswitch_t:s0 key=(null)
type=AVC msg=audit(1651654358.535:4262): avc:  denied  { append } for  pid=50215 comm="pk12util" path="/etc/ipsec.d/pkcs11.txt" dev="dm-0" ino=34268480 scontext=system_u:system_r:openvswitch_t:s0 tcontext=system_u:object_r:ipsec_key_file_t:s0 tclass=file permissive=1
----
time->Wed May  4 08:59:33 2022
type=PROCTITLE msg=audit(1651654773.742:42): proctitle=6D6F6470726F6265006F70656E76737769746368
type=SYSCALL msg=audit(1651654773.742:42): arch=c000003e syscall=175 success=yes exit=0 a0=55e3c7777730 a1=570d8 a2=55e3c53f9962 a3=5 items=0 ppid=1073 pid=1080 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="modprobe" exe="/usr/bin/kmod" subj=system_u:system_r:openvswitch_load_module_t:s0 key=(null)
type=AVC msg=audit(1651654773.742:42): avc:  denied  { search } for  pid=1080 comm="modprobe" name="events" dev="tracefs" ino=51 scontext=system_u:system_r:openvswitch_load_module_t:s0 tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
type=AVC msg=audit(1651654773.742:42): avc:  denied  { search } for  pid=1080 comm="modprobe" name="events" dev="tracefs" ino=51 scontext=system_u:system_r:openvswitch_load_module_t:s0 tcontext=system_u:object_r:tracefs_t:s0 tclass=dir permissive=0
----
time->Wed May  4 08:59:34 2022
type=PROCTITLE msg=audit(1651654774.149:63): proctitle=2F7573722F62696E2F707974686F6E33002F7573722F73686172652F6F70656E767377697463682F736372697074732F6F76732D6D6F6E69746F722D6970736563002D2D70696466696C653D2F7661722F72756E2F6F70656E767377697463682F6F76732D6D6F6E69746F722D69707365632E706964002D2D696B652D646165
type=PATH msg=audit(1651654774.149:63): item=0 name="/etc/ipsec.conf" inode=102974960 dev=fd:00 mode=0100644 ouid=0 ogid=0 rdev=00:00 obj=system_u:object_r:ipsec_conf_file_t:s0 nametype=NORMAL cap_fp=0 cap_fi=0 cap_fe=0 cap_fver=0 cap_frootid=0
type=CWD msg=audit(1651654774.149:63): cwd="/"
type=SYSCALL msg=audit(1651654774.149:63): arch=c000003e syscall=257 success=yes exit=6 a0=ffffff9c a1=7ff029b00d70 a2=80241 a3=1b6 items=1 ppid=1117 pid=1142 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="ovs-monitor-ips" exe="/usr/bin/python3.9" subj=system_u:system_r:openvswitch_t:s0 key=(null)
type=AVC msg=audit(1651654774.149:63): avc:  denied  { create } for  pid=1142 comm="ovs-monitor-ips" name="ipsec.conf" scontext=system_u:system_r:openvswitch_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=file permissive=1
type=AVC msg=audit(1651654774.149:63): avc:  denied  { add_name } for  pid=1142 comm="ovs-monitor-ips" name="ipsec.conf" scontext=system_u:system_r:openvswitch_t:s0 tcontext=system_u:object_r:etc_t:s0 tclass=dir permissive=1
----



Involved packages:
# dnf list installed "*selinux*"
Installed Packages
container-selinux.noarch                3:2.183.0-1.el9  @AppStream             
ipa-selinux.noarch                      4.9.8-8.el9      @appstream             
libselinux.x86_64                       3.3-2.el9        @anaconda              
libselinux-utils.x86_64                 3.3-2.el9        @anaconda              
openvswitch-selinux-extra-policy.noarch 1.0-31.el9s      @centos-nfv-openvswitch
python3-libselinux.x86_64               3.3-2.el9        @AppStream             
rpm-plugin-selinux.x86_64               4.16.1.3-11.el9  @anaconda              
selinux-policy.noarch                   34.1.30-2.el9    @anaconda              
selinux-policy-targeted.noarch          34.1.30-2.el9    @anaconda   



# dnf list installed "*openvswitch*"
Installed Packages
centos-release-nfv-openvswitch.noarch    1-4.el9s        @extras-common         
openvswitch-selinux-extra-policy.noarch  1.0-31.el9s     @centos-nfv-openvswitch
openvswitch2.15.x86_64                   2.15.0-81.el9s  @centos-nfv-openvswitch
openvswitch2.15-ipsec.x86_64             2.15.0-81.el9s  @centos-nfv-openvswitch
ovirt-openvswitch.noarch                 2.15-3.el9      @centos-ovirt45        
ovirt-openvswitch-ipsec.noarch           2.15-3.el9      @centos-ovirt45        
ovirt-openvswitch-ovn.noarch             2.15-3.el9      @centos-ovirt45        
ovirt-openvswitch-ovn-common.noarch      2.15-3.el9      @centos-ovirt45        
ovirt-openvswitch-ovn-host.noarch        2.15-3.el9      @centos-ovirt45        
ovirt-python-openvswitch.noarch          2.15-3.el9      @centos-ovirt45        
python3-openvswitch2.15.x86_64           2.15.0-81.el9s  @centos-nfv-openvswitch

Not sure if this is on openvswitch-selinux-extra-policy or on selinux-policy-targeted.noarch.
Comment 1 Zdenek Pytela 2022-08-08 19:10:07 UTC 
Retargeting to 9.2. If you need to have it resolved earlier, please put down a justification.
Some of the problems will be addressed with the fix for bz#1988164.
Comment 2 Nikola Knazekova 2023-02-03 14:58:53 UTC 
Hi,

it is possible to generate ipsec.conf in the /etc/ipsec.d/ instead of /etc/ dir?

Thanks,

Nikola
Comment 3 Sandro Bonazzola 2023-02-03 15:17:42 UTC 
Redirecting the needinfo to @mperina
Comment 4 Martin Perina 2023-02-07 08:48:46 UTC 
This report is very old, in the meantime BZ2102567 has been fixed and we have been asked to upgrade to OVS 2.17 / OVN 2022 on CS9 as 2.15 is not supported on CS9. Moshe is going to update the bug with all current details.
Comment 12 Nikola Knazekova 2023-07-13 14:39:07 UTC 
Hi, please edit the /etc/audit/rules.d/audit.rules file from the comment 8. 
Then collect AVC messages # ausearch -i -m avc,user_avc,selinux_err,user_selinux_err -ts today
and attach output here in bz.

Thank you
Comment 13 Sandro Bonazzola 2023-07-17 06:48:04 UTC 
Hi Nikola, I'm no longer working on the project and I won't have capacity for doing the tests here.
Also, ovirt moved to openvswitch-2.17 in the meanwhile so I'm not even sure this is still an issue.
I'm closing this with insufficient data resolution.
I assume that if someone hit selinux denials again, they will open a new bz providing the updated information you'll need to get it fixed.
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