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Description of problem: SELinux preventing xguest from starting chromium browser. Version-Release number of selected component (if applicable): xguest-1.0.10-2.fc16 selinux-policy-targeted-3.10.0-69.fc16.noarch chromium-15.0.874.106-1.fc16.i686 How reproducible: Login as "xguest" and run chromium-browser Steps to Reproduce: 1. Login as xguest 2. Start chromium-browser Actual results: $ whoami xguest $ chromium-browser /usr/lib/chromium-browser/chromium-browser: error while loading shared libraries: cannot restore segment prot after reloc: Permission denied $ audit.log results: type=AVC msg=audit(1325691486.056:49): avc: denied { execmod } for pid=1341 comm="chromium-browse" path="/usr/lib/chromium-browser/chromium-browser" dev=sda4 ino=40054 scontext=xguest_u:xguest_r:xguest_t:s0 tcontext=system_u:object_r:execmem_exec_t:s0 tclass=file type=SYSCALL msg=audit(1325691486.056:49): arch=40000003 syscall=125 success=no exit=-13 a0=b43e7000 a1=3475000 a2=5 a3=bf911f20 items=0 ppid=1270 pid=1341 auid=1000 uid=1000 gid=1000 euid=1000 suid=1000 fsuid=1000 egid=1000 sgid=1000 fsgid=1000 tty=(none) ses=1 comm="chromium-browse" exe="/usr/lib/chromium-browser/chromium-browser" subj=xguest_u:xguest_r:xguest_t:s0 key=(null) Expected results: The chromium browser should start. Additional info: Chromium browser from the following repository: http://repos.fedorapeople.org/repos/spot/chromium-stable/
Additional info: # ls -lZ /usr/bin/chromium-browser -rwxrwxr-x. root root system_u:object_r:bin_t:s0 /usr/bin/chromium-browser # ls -lZ /usr/lib/chromium-browser/chrome-sandbox -r-sr-xr-x. root root system_u:object_r:chrome_sandbox_exec_t:s0 /usr/lib/chromium-browser/chrome-sandbox # ls -lZ /usr/lib/chromium-browser/chromium-browser -rwxr-xr-x. root root system_u:object_r:execmem_exec_t:s0 /usr/lib/chromium-browser/chromium-browser # ls -lZ /usr/bin/firefox -rwxr-xr-x. root root system_u:object_r:bin_t:s0 /usr/bin/firefox # ls -lZ /usr/lib/firefox/firefox -rwxr-xr-x. root root system_u:object_r:mozilla_exec_t:s0 /usr/lib/firefox/firefox * xguest can start firefox
Miroslav lets allow this access, we have it fixed in F17, but I eliminated the execmem_exec_t type.
Any progress or updates to report?
Fixed in selinux-policy-3.10.0-72.fc16
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Fedora 16 changed to end-of-life (EOL) status on 2013-02-12. Fedora 16 is no longer maintained, which means that it will not receive any further security or bug fix updates.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.