Researchers Demonstrate OpenBSD Root Exploit Chaining 37-Year-Old Shared-Memory Bug

A local privilege escalation exploit published today gains root on OpenBSD 7.9 by chaining a roughly 37-year-old integer overflow with a separate kernel flaw, bypassing OpenBSD's KARL kernel-address randomization and its SMAP and SMEP hardware protections.Security firm Calif, which found and reported the flaws, published a detailed writeup and full proof-of-concept code after OpenBSD shipped

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2026/10/17 02:48、The Hacker Newsが「Researchers Demonstrate OpenBSD Root Exploit Chaining 37-Year-Old Shared-Memory Bug」を公開しました (種別: セキュリティニュース)。