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.`rabbitmq` no longer fails with IPv6
Previously, when you deployed `rabbitmq` server with IPv6 enabled, the `inet_gethost` command tried to access the `/proc/sys/net/ipv6/conf/all/disable_ipv6` file. Consequently, the system denied access to `/proc/sys/net/ipv6/conf/all/disable_ipv6`. With this update, system can now read `/proc/sys/net/ipv6/conf/all/disable_ipv6`, and `rabbitmq` now works with IPv6.
DescriptionTakashi Kajinami
2023-04-06 12:46:24 UTC
Description of problem:
In upstream Puppet OpenStack jobs, we recently fixed the rabbitmq configuration
so that IPv6 is used. Since then, we have seen the following denials in audit.log.
~~~
type=AVC msg=audit(1680541632.613:9934): avc: denied { search } for pid=81170 comm="inet_gethost" name="net" dev="proc" ino=14337 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=dir permissive=1
type=AVC msg=audit(1680541632.613:9934): avc: denied { read } for pid=81170 comm="inet_gethost" name="disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1
type=AVC msg=audit(1680541632.613:9934): avc: denied { open } for pid=81170 comm="inet_gethost" path="/proc/sys/net/ipv6/conf/all/disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1
type=AVC msg=audit(1680541632.614:9935): avc: denied { getattr } for pid=81170 comm="inet_gethost" path="/proc/sys/net/ipv6/conf/all/disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1
~~~
Version-Release number of selected component (if applicable):
selinux-policy-38.1.9-1.el9.noarch
rabbitmq-server-3.9.21-1.el9s.x86_64
How reproducible:
Always
Steps to Reproduce:
1. Deploy rabbitmq with IPv6 enabled. Make sure /etc/rabbitmq/inetrc contains the option to enable ipv6
```
{inet6, true}.
```
2. Check audit.log
Actual results:
Access to /proc/sys/net/ipv6/conf/all/disable_ipv6 is continuously denied
Expected results:
Access to /proc/sys/net/ipv6/conf/all/disable_ipv6 should be alloed
Additional info:
Link for example build: https://zuul.opendev.org/t/openstack/build/ac2ce1ac07d44f909c1eb33e9a1701ba
audit.log can be found at https://9377a72dfb6b68b220fb-c6fc0fc83ecd661db282c48e7103b983.ssl.cf1.rackcdn.com/879244/6/check/puppet-openstack-integration-7-scenario005-tempest-centos-9-stream/ac2ce1a/logs/audit.log.txt
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-2023:6617
Description of problem: In upstream Puppet OpenStack jobs, we recently fixed the rabbitmq configuration so that IPv6 is used. Since then, we have seen the following denials in audit.log. ~~~ type=AVC msg=audit(1680541632.613:9934): avc: denied { search } for pid=81170 comm="inet_gethost" name="net" dev="proc" ino=14337 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=dir permissive=1 type=AVC msg=audit(1680541632.613:9934): avc: denied { read } for pid=81170 comm="inet_gethost" name="disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1 type=AVC msg=audit(1680541632.613:9934): avc: denied { open } for pid=81170 comm="inet_gethost" path="/proc/sys/net/ipv6/conf/all/disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1 type=AVC msg=audit(1680541632.614:9935): avc: denied { getattr } for pid=81170 comm="inet_gethost" path="/proc/sys/net/ipv6/conf/all/disable_ipv6" dev="proc" ino=171751 scontext=system_u:system_r:rabbitmq_t:s0 tcontext=system_u:object_r:sysctl_net_t:s0 tclass=file permissive=1 ~~~ Version-Release number of selected component (if applicable): selinux-policy-38.1.9-1.el9.noarch rabbitmq-server-3.9.21-1.el9s.x86_64 How reproducible: Always Steps to Reproduce: 1. Deploy rabbitmq with IPv6 enabled. Make sure /etc/rabbitmq/inetrc contains the option to enable ipv6 ``` {inet6, true}. ``` 2. Check audit.log Actual results: Access to /proc/sys/net/ipv6/conf/all/disable_ipv6 is continuously denied Expected results: Access to /proc/sys/net/ipv6/conf/all/disable_ipv6 should be alloed Additional info: Link for example build: https://zuul.opendev.org/t/openstack/build/ac2ce1ac07d44f909c1eb33e9a1701ba audit.log can be found at https://9377a72dfb6b68b220fb-c6fc0fc83ecd661db282c48e7103b983.ssl.cf1.rackcdn.com/879244/6/check/puppet-openstack-integration-7-scenario005-tempest-centos-9-stream/ac2ce1a/logs/audit.log.txt