The following was filed automatically by setroubleshoot: Summary: SELinux is preventing firefox (sandbox_t) "open" proc_t. Detailed Description: SELinux denied access requested by firefox. It is not expected that this access is required by firefox 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 unconfined_u:unconfined_r:sandbox_t:s0:c525,c537 Target Context system_u:object_r:proc_t:s0 Target Objects meminfo [ file ] Source firefox Source Path /bin/bash Port <Unknown> Host (removed) Source RPM Packages bash-4.0-6.fc11 Target RPM Packages Policy RPM selinux-policy-3.6.12-39.fc11 Selinux Enabled True Policy Type targeted MLS Enabled True Enforcing Mode Enforcing Plugin Name catchall Host Name (removed) Platform Linux (removed) 2.6.29.4-167.fc11.i586 #1 SMP Wed May 27 17:14:37 EDT 2009 i686 i686 Alert Count 1 First Seen Wed 03 Jun 2009 01:02:23 PM EDT Last Seen Wed 03 Jun 2009 01:02:23 PM EDT Local ID 0447bcd2-0698-4ddb-895b-fb9b924a22df Line Numbers Raw Audit Messages node=(removed) type=AVC msg=audit(1244048543.652:139): avc: denied { open } for pid=3928 comm="firefox" name="meminfo" dev=proc ino=4026531986 scontext=unconfined_u:unconfined_r:sandbox_t:s0:c525,c537 tcontext=system_u:object_r:proc_t:s0 tclass=file node=(removed) type=SYSCALL msg=audit(1244048543.652:139): arch=40000003 syscall=5 success=no exit=-13 a0=4dc450 a1=0 a2=1b6 a3=0 items=0 ppid=3927 pid=3928 auid=500 uid=500 gid=500 euid=500 suid=500 fsuid=500 egid=500 sgid=500 fsgid=500 tty=pts1 ses=1 comm="firefox" exe="/bin/bash" subj=unconfined_u:unconfined_r:sandbox_t:s0:c525,c537 key=(null) audit2allow suggests: #============= sandbox_t ============== allow sandbox_t proc_t:file open;