Description of problem: *CONTINUAL* alerts of this type after F8 to F9 upgrade Upgraded older but stable F8 SELinux-enabled system (Asus dual P3, 1GHz) to F9. After upgrade, logged on as root. Unable to do many operations including updates - many AVC errors. Rebooted with selinux=0, and created /.autolabel file with touch. Rebooted normally, SELinux labelling completed. Did "yum update" in xterm, which succeeded. Rebooted. Normal operation except for this one alert which appears to occur once per second - 550 and counting since logon (I erased previous history). I've not logged on to the other 2 IDs defined on this system... figured I'd best get things clean as root first. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: Output from "Copy Alert" attached. Summary: SELinux is preventing gdm-user-switch (staff_t) "dac_override" to <Unknown> (staff_t). Detailed Description: SELinux denied access requested by gdm-user-switch. It is not expected that this access is required by gdm-user-switch and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access. Allowing Access: You can generate a local policy module to allow this access - see FAQ (http://fedora.redhat.com/docs/selinux-faq-fc5/#id2961385) Or you can disable SELinux protection altogether. Disabling SELinux protection is not recommended. Please file a bug report (http://bugzilla.redhat.com/bugzilla/enter_bug.cgi) against this package. Additional Information: Source Context root:staff_r:staff_t:SystemLow-SystemHigh Target Context root:staff_r:staff_t:SystemLow-SystemHigh Target Objects None [ capability ] Source gdm-user-switch Source Path /usr/libexec/gdm-user-switch-applet Port <Unknown> Host leeloo.fernbank.whitby.ca Source RPM Packages gdm-user-switch-applet-2.22.0-1.fc9 Target RPM Packages Policy RPM selinux-policy-3.3.1-42.fc9 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Enforcing Plugin Name catchall Host Name leeloo.fernbank.whitby.ca Platform Linux leeloo.fernbank.whitby.ca 2.6.25.3-18.fc9.i686 #1 SMP Tue May 13 05:38:53 EDT 2008 i686 i686 Alert Count 360 First Seen Sat 17 May 2008 06:47:46 PM EDT Last Seen Sat 17 May 2008 06:59:42 PM EDT Local ID 8da5af5c-b827-449d-a2c3-61e6ab2dc251 Line Numbers Raw Audit Messages host=leeloo.fernbank.whitby.ca type=AVC msg=audit(1211065182.314:510): avc: denied { dac_override } for pid=3002 comm="gdm-user-switch" capability=1 scontext=root:staff_r:staff_t:s0-s0:c0.c1023 tcontext=root:staff_r:staff_t:s0-s0:c0.c1023 tclass=capability host=leeloo.fernbank.whitby.ca type=AVC msg=audit(1211065182.314:510): avc: denied { dac_read_search } for pid=3002 comm="gdm-user-switch" capability=2 scontext=root:staff_r:staff_t:s0-s0:c0.c1023 tcontext=root:staff_r:staff_t:s0-s0:c0.c1023 tclass=capability host=leeloo.fernbank.whitby.ca type=SYSCALL msg=audit(1211065182.314:510): arch=40000003 syscall=292 success=no exit=-13 a0=12 a1=857c778 a2=1002fce a3=85883e0 items=0 ppid=1 pid=3002 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=1 comm="gdm-user-switch" exe="/usr/libexec/gdm-user-switch-applet" subj=root:staff_r:staff_t:s0-s0:c0.c1023 key=(null)
The fates have intervened- the power supply on my small Dell F8 box died, and I now have to set up DNS, DHCP, other servers on this box ASAP. I had originally upgraded this box from F8 to F9. I reformatted as F9 and none of the SELinux problems showed themselves - clean install so far (OK... bind is being a bit reluctant, but I'll check that component separately). Hopefully the original report provides some insight, making your time worthwhile. Al
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Fedora 9 changed to end-of-life (EOL) status on 2009-07-10. Fedora 9 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. Thank you for reporting this bug and we are sorry it could not be fixed.