A newly disclosed OpenBSD kernel exploitation chain combines a shared memory accounting flaw with a separate out-of-bounds write to obtain root privileges. Calif researcher Andrew Griffiths published the “Big Fish” research on October 16, 2026, alongside public proof-of-concept code demonstrating exploitation with multiple kernel security protections enabled. The oldest vulnerability traces to a shared memory […] The post OpenBSD Kernel Flaw Dating Back 37 Years Enables Local Privilege Escalation to Root appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
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