Cybersecurity · 3 views
Researchers Demonstrate OpenBSD Root Exploit Chaining 37-Year-Old Shared-Memory Bug
A local OpenBSD 7.9 proof-of-concept chains a 37-year-old integer overflow with a kernel use-after-free to gain root; both flaws are patched.
AI Summary
A local privilege escalation exploit released today obtains root access on OpenBSD 7.9 by chaining a roughly 37‑year‑old integer overflow with a separate kernel flaw. The combined attack bypasses OpenBSD’s KARL kernel‑address randomization as well as its SMAP and SMEP hardware protections.
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