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Re: pthread_setaffinity_np() permissions
On Wed, 2 Nov 2011 22:36:58 -0400, Thor Lancelot Simon wrote:
On Thu, Nov 03, 2011 at 03:30:54AM +0100, Jean-Yves Migeon wrote:
Should not? I took the same logic as the one allowing usermounts.
It's a matter of policy though.
None of the security sysctls should be changeable at securelevel 1 or
higher. Certainly it should not be possible to grant additional
to non-root users. Is there logic somewhere else preventing it, like
in the relevant kauth listener perhaps?
None, the checks are simply not implemented in secmodel_securelevel(9).
I'll have a look this evening.
This has to be done for each variable though depending on their use: in
usermount/usersetaffinity cases, it's reasonable to deny additional
rights to non-root users, but turning off these rights should still be
permitted even when securelevel is set to 1+.
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