August 27 - 28 - Vancouver, BC, Canada
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Tuesday, August 28 • 9:50am - 10:30am
Updating Linux with TUX: Trust Update for Linux Kernel - Suhho Lee & Hyunik Kim, Dankook University

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As lethal security attacks, such as Spectre and Meltdown, arise, Linux has conducted a vast number of software updates to mitigate security threats. However, less attention was given to the dynamically changing integrity of the system after updates. To maintain the trust of the platform, system updates should accompany integrity information updates as well.
We propose TUX, Trust Update for Linux kernel, to guarantee the up-to-date integrity of the pre-boot environment. TUX consolidates kernel repository into Intel's Open CIT to manage up-to-date integrity. Also, TUX deploys kernel which holds up-to-date integrity value as a signature. Finally, TUX secure bootloader mandates integrity verification at the booting using the TUX kernel, leveraging the UEFI secure boot and TPM. Thus, with TUX, Linux system can maintain trust even with the frequent updates.

avatar for Hyunik Kim

Hyunik Kim

Research Assistant, Dankook University
Hyunik Kim is an enthusiastic undergraduate student in Department of Mobile Systems Engineering, Dankook University, Korea. He is currently interested in Many-core architecture, Operating systems, and System security.
avatar for Suhho lee

Suhho lee

Research Assistant, Dankook University
Suhho Lee is a master's student in Department of Computer Science at Dankook University, Korea. His research interests include Operating systems, Computer architecture, System Security, and Human-Computer Interaction. His current focus is TUX, Trust update for Linux kernel, which... Read More →

Tuesday August 28, 2018 9:50am - 10:30am PDT
Room 301