Security

Architectural Framework for Supporting Operating System Survivability

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Executive Summary

The ever increasing size and complexity of Operating System (OS) kernel code bring an inevitable increase in the number of security vulnerabilities that can be exploited by attackers. A successful security attack on the kernel has a profound impact that may affect all processes running on it. In this paper, the authors propose an architectural framework that provides survivability to the OS kernel, i.e. able to keep normal system operation despite security faults. It consists of three components that work together: security attack detection, security fault isolation, and a recovery mechanism that resumes normal system operation.

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