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2012.Május 17.(Cs) 15:07 időpontban Maxim Kammerer ezt írta: |
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> On Thu, May 17, 2012 at 3:04 PM, Anthony G. Basile |
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> <basile@××××××××××××××.edu> wrote: |
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>> Liberte, last I looked, has quite a few hardening features off. |
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> |
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> True — this is made necessary by having to support virtualized |
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> environments (and, of course, Xorg, wrt. GRKERNSEC_IO). Since out last |
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> discussion on the subject, I have “discovered” the |
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> GRKERNSEC_HARDENED_VIRTUALIZATION profile, which fits quite well the |
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> settings that were carefully selected previously. |
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> |
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> By the way, Liberté also mounts /dev with noexec, and I received no |
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> complaints so far (see bug #92921). I also grepped the driver sources |
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> before making the change, and didn't find any attempts to map /dev/mem |
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> with PROT_EXEC. No idea if the noexec issue is still present with |
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> proprietary drivers, though. |
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|
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How would I change the way /dev gets mounted? I don't have noexec as an |
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option listed by mount for the udev entry. |
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In my policy file Xorg is permitted to execute /dev/mem: is that no longer |
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needed? I use the radeon driver, not the proprietary. |
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Regards: |
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Dw. |
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-- |
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dr Tóth Attila, Radiológus, 06-20-825-8057 |
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Attila Toth MD, Radiologist, +36-20-825-8057 |
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|
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> |
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> -- |
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> Maxim Kammerer |
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> Liberté Linux (discussion / support: http://dee.su/liberte-contribute) |
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> |
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> |
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