OpenBSD Root Exploit Chains 37-Year-Old Bug, Bypasses KARL, SMAP, SMEP
RedSide Security October 16, 2026 Vulnerability 7 views
Security firm Calif has published a local privilege escalation exploit that gains root on OpenBSD 7.9 by chaining a 37-year-old integer overflow with a separate kernel flaw, bypassing KARL, SMAP, and SMEP protections.
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