Description of problem: SELinux is preventing wall from using the 'dac_override' capabilities. ***** Plugin dac_override (91.4 confidence) suggests ********************** If you want to help identify if domain needs this access or you have a file with the wrong permissions on your system Then turn on full auditing to get path information about the offending file and generate the error again. Do Turn on full auditing # auditctl -w /etc/shadow -p w Try to recreate AVC. Then execute # ausearch -m avc -ts recent If you see PATH record check ownership/permissions on file, and fix it, otherwise report as a bugzilla. ***** Plugin catchall (9.59 confidence) suggests ************************** If you believe that wall should have the dac_override capability by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'wall' --raw | audit2allow -M my-wall # semodule -X 300 -i my-wall.pp Additional Information: Source Context system_u:system_r:apcupsd_t:s0 Target Context system_u:system_r:apcupsd_t:s0 Target Objects Unknown [ capability ] Source wall Source Path wall Port <Unknown> Host (removed) Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.14.1-42.fc28.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name (removed) Platform Linux (removed) 4.18.7-200.fc28.x86_64 #1 SMP Mon Sep 10 15:44:45 UTC 2018 x86_64 x86_64 Alert Count 5 First Seen 2018-10-05 11:09:06 EEST Last Seen 2018-10-05 11:24:49 EEST Local ID 284f48ac-2861-43b3-a553-bfdc1945e826 Raw Audit Messages type=AVC msg=audit(1538727889.461:386): avc: denied { dac_override } for pid=9871 comm="wall" capability=1 scontext=system_u:system_r:apcupsd_t:s0 tcontext=system_u:system_r:apcupsd_t:s0 tclass=capability permissive=0 Hash: wall,apcupsd_t,apcupsd_t,capability,dac_override Version-Release number of selected component: selinux-policy-3.14.1-42.fc28.noarch Additional info: component: selinux-policy reporter: libreport-2.9.6 hashmarkername: setroubleshoot kernel: 4.18.16-300.fc29.x86_64 type: libreport Potential duplicate: bug 1636348
*** Bug 1636348 has been marked as a duplicate of this bug. ***
Description of problem: UPS message about battery failing sent by apcupsd Version-Release number of selected component: selinux-policy-3.14.1-50.fc28.noarch Additional info: reporter: libreport-2.9.5 hashmarkername: setroubleshoot kernel: 4.19.14-200.fc28.x86_64 type: libreport
Description of problem: There was a system error. Version-Release number of selected component: selinux-policy-3.14.2-57.fc29.noarch Additional info: reporter: libreport-2.10.0 hashmarkername: setroubleshoot kernel: 5.0.14-200.fc29.x86_64 type: libreport
Hi, Most probably this is issue on apcupsd side. Please read my blogs to get context: https://lukas-vrabec.com/index.php/2018/07/03/why-do-you-see-dac_override-selinux-denials/ https://lukas-vrabec.com/index.php/2018/07/16/how-to-enable-full-auditing-in-audit-daemon/ Thanks, Lukas.
*** Bug 1725203 has been marked as a duplicate of this bug. ***
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Fedora 29 changed to end-of-life (EOL) status on 2019-11-26. Fedora 29 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. If you are unable to reopen this bug, please file a new report against the current release. If you experience problems, please add a comment to this bug. Thank you for reporting this bug and we are sorry it could not be fixed.