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

- 種別: news
- 公開日時: 2026-10-16T17:48:45.000Z
- 情報源: The Hacker News (https://thehackernews.com/2026/10/researchers-demonstrate-openbsd-root.html)
- パーマリンク: https://vulnpulse.app/items/thehackernews-ebaf37949a88

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