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Attacking hardened Linux systems with kernel JIT sprayingAttacking hardened Linux systems with kernel JIT sprayingPosted Nov 19, 2012 5:35 UTC (Mon) by Arach (subscriber, #58847)In reply to: Attacking hardened Linux systems with kernel JIT spraying by aliguori Parent article: Attacking hardened Linux systems with kernel JIT spraying
> SMEP is a new x86 feature that improves security by preventing the kernel
> from writing to userspace
Actually, only from executing native code from userspace. What also prevents read/write access is SMAP: https://lwn.net/Articles/517475/
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