SMEP

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1. 16 Oct
   Researchers publish OpenBSD root exploit chaining 37-year-old bug

   Security firm Calif published a local privilege escalation exploit that gains root on OpenBSD 7.9 by chaining an approximately 37-year-old integer overflow in shared memory with a separate kernel flaw. The exploit bypasses OpenBSD's KARL address-randomization and hardware protections SMAP and SMEP, and Calif released a detailed writeup and full proof-of-concept after OpenBSD shipped.

   Security · 1 source

   

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