Researchers Demonstrate OpenBSD Root Exploit Chaining 37-Year-Old Shared-Memory Bug
- ID
- 36381
- Status
- new
- Published
- 17 Oct 2026, 1:48 AM
- Fetched
- 18 Oct 2026, 3:31 AM
- Provider
- The Hacker News
- Category
- security
- Original URL
- https://thehackernews.com/2026/10/researchers-demonstrate-openbsd-root.html
- Source URL
- https://feeds.feedburner.com/TheHackersNews
Excerpt
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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