← All talks

Supervisor Mode Execution Prevention Explained #shorts

BSides Frankfurt0:26125 viewsPublished 2026-01Watch on YouTube ↗
About this talk
Supervisor Mode Execution Prevention (SMEP) helps block stealthy code execution in user space. Prevents unauthorized memory access, similar to DEP, but can be bypassed with ROP. #Bsidesfrankfurt #Bsides #Bsidesfra #Juansacco
Show transcript [en]

We also have supervisor mode execution prevention. It's a security feature that has prevent detection execution of user space as is similar to dep uh so prevents execution and can be bypassed uh using rope z for hypervisor protected core integrity and then smap that's basically access prevention that prevents read write. So we have SMEP and SMAP.