A kernel security hole
Posted Jan 17, 2008 10:04 UTC (Thu) by jamesm
In reply to: A kernel security hole
Parent article: A kernel security hole
I don't know if you can generalize things in that way, as it is essentially a side effect of having independent DAC and MAC mechanisms that has been observed a couple of times.
Yes, there is a performance hit when you have multiple security mechanisms, but MAC is typically expected to have some impact.
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