Description of problem: SELinux is preventing qtdemux0:sink from using the 'execstack' accesses on a process. ***** Plugin catchall (100. confidence) suggests ************************** If you believe that qtdemux0:sink should be allowed execstack access on processes labeled thumb_t 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 'qtdemux0:sink' --raw | audit2allow -M my-qtdemux0sink # semodule -X 300 -i my-qtdemux0sink.pp Additional Information: Source Context unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 Target Context unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 Target Objects Unknown [ process ] Source qtdemux0:sink Source Path qtdemux0:sink Port <Unknown> Host (removed) Source RPM Packages Target RPM Packages Policy RPM selinux-policy-3.13.1-283.34.fc27.noarch Selinux Enabled True Policy Type targeted Enforcing Mode Enforcing Host Name (removed) Platform Linux (removed) 4.16.5-200.fc27.x86_64 #1 SMP Fri Apr 27 19:05:44 UTC 2018 x86_64 x86_64 Alert Count 81 First Seen 2018-05-06 16:06:41 EDT Last Seen 2018-05-06 16:06:50 EDT Local ID ca3584dd-a77b-48c7-aa33-77ac736cd028 Raw Audit Messages type=AVC msg=audit(1525637210.829:10998): avc: denied { execstack } for pid=24247 comm="qtdemux0:sink" scontext=unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:thumb_t:s0-s0:c0.c1023 tclass=process permissive=0 Hash: qtdemux0:sink,thumb_t,thumb_t,process,execstack Version-Release number of selected component: selinux-policy-3.13.1-283.34.fc27.noarch Additional info: component: selinux-policy reporter: libreport-2.9.3 hashmarkername: setroubleshoot kernel: 4.16.5-200.fc27.x86_64 type: libreport
Hi, This looks like more issue in gthumb than in policy. gthum requiring executable stack which could affect security.
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Fedora 27 changed to end-of-life (EOL) status on 2018-11-30. Fedora 27 is no longer maintained, which means that it will not receive any further security or bug fix updates.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.