Bug 2279215
| Summary: | speech-dispatcherd.service startup failure (AVC denied) | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | gordonwwang <1130261648> |
| Component: | selinux-policy | Assignee: | Zdenek Pytela <zpytela> |
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | high | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 42 | CC: | dwalsh, jjanasek, knazekovan, lvrabec, mmalik, omosnacek, pkoncity, vmojzis, zpytela |
| Target Milestone: | --- | Keywords: | Bugfix |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| URL: | https://github.com/fedora-selinux/selinux-policy/issues/2100 | ||
| Whiteboard: | |||
| Fixed In Version: | selinux-policy-42.17-1.fc42 | Doc Type: | --- |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2025-12-02 01:33:49 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
more details, see: https://github.com/fedora-selinux/selinux-policy/issues/2100 This bug appears to have been reported against 'rawhide' during the Fedora Linux 42 development cycle. Changing version to 42. FEDORA-2025-0a825f4990 (selinux-policy-42.16-1.fc42) has been submitted as an update to Fedora 42. https://bodhi.fedoraproject.org/updates/FEDORA-2025-0a825f4990 FEDORA-2025-0a825f4990 has been pushed to the Fedora 42 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-0a825f4990` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-0a825f4990 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. FEDORA-2025-5f224b92e4 has been pushed to the Fedora 42 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2025-5f224b92e4` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2025-5f224b92e4 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. FEDORA-2025-5f224b92e4 (selinux-policy-42.17-1.fc42) has been pushed to the Fedora 42 stable repository. If problem still persists, please make note of it in this bug report. |
When systemctl start speech-dispatcherd.service, the following AVC denial occurs： 1. speech-dispatcher working directory changes, causing AVC rejection. ``` type=AVC msg=audit(1713942006.045:1230): avc: denied { create } for pid=12672 comm="speech-dispatch" name="speech-dispatcher" scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:cache_home_t:s0 tclass=dir permissive=0 type=SERVICE_START msg=audit(1713942006.053:1232): pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=speech-dispatcherd comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed'^]UID="root" AUID="unset" ``` After repairing the above denials, move on. A new permission issue occurs: 2. bash command, tcp port connection, and speech dispatcher-modules access are denied. ``` The audit.log is as follows: 239:type=AVC msg=audit(1714149641.307:1053): avc: denied { execute } for pid=6920 comm="speech-dispatch" name="bash" dev="dm-0" ino=16782846 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file permissive=0 240:type=AVC msg=audit(1714149641.308:1054): avc: denied { execute } for pid=6921 comm="speech-dispatch" name="bash" dev="dm-0" ino=16782846 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file permissive=0 241:type=AVC msg=audit(1714149641.308:1055): avc: denied { name_connect } for pid=6909 comm="speech-dispatch" dest=59125 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:ephemeral_port_t:s0 tclass=tcp_socket permissive=0 242:type=AVC msg=audit(1714149641.310:1056): avc: denied { execute } for pid=6922 comm="speech-dispatch" name="bash" dev="dm-0" ino=16782846 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file permissive=0 243:type=AVC msg=audit(1714149641.311:1057): avc: denied { execute } for pid=6923 comm="speech-dispatch" name="bash" dev="dm-0" ino=16782846 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:shell_exec_t:s0 tclass=file permissive=0 244:type=AVC msg=audit(1714149641.313:1058): avc: denied { execute_no_trans } for pid=6924 comm="speech-dispatch" path="/usr/lib64/speech-dispatcher-modules/sd_cicero" dev="dm-0" ino=34460340 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:lib_t:s0 tclass=file permissive=0 245:type=AVC msg=audit(1714149641.317:1059): avc: denied { execute_no_trans } for pid=6925 comm="speech-dispatch" path="/usr/lib64/speech-dispatcher-modules/sd_espeak-ng" dev="dm-0" ino=34566660 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:lib_t:s0 tclass=file permissive=0 246:type=AVC msg=audit(1714149641.321:1060): avc: denied { execute_no_trans } for pid=6926 comm="speech-dispatch" path="/usr/lib64/speech-dispatcher-modules/sd_espeak-ng" dev="dm-0" ino=34566660 scontext=system_u:system_r:speech_dispatcher_t:s0 tcontext=system_u:object_r:lib_t:s0 tclass=file permissive=0 247:type=AVC msg=audit(1714149641.324:1061): avc: denied { execute_no_trans } for pid=6927 comm="speech-dispatch" path= ``` Reproducible: Always Steps to Reproduce: 1. dnf install speech-dispatcher 2. sudo vim /usr/lib/systemd/system/speech-dispatcherd.service ``` #Normal user status is fine. root not recommended User=testuser Group=testuser ``` 3. sudo systemctl daemon-reload 4. sudo systemctl start speech-dispatcherd.service Actual Results: speech-dispatcherd.service startup failure (AVC denied) Expected Results: speech-dispatcherd.service startup successfully