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Intel boosts VM security, guards against stack attacks in new Xeon release

Intel today announced the rollout of the fourth generation of its Xeon family of server chipsets, detailing several new features under the company’s confidential computing umbrella of security features. Improvements to Intel’s trusted execution environment and a new technique for combatting jump- and return-oriented programming attacks were the most notable upgrades.

Xeon’s fourth generation introduces a number of new features across the board, including marked improvements to energy efficiency, AI processing, and edge workload handling, but the security side’s highlights are virtual machine (VM) isolation technology and control flow enforcement. The former technique provides hardware-level VM isolation, without the need for hypervisor oversight — instead of a single app living inside of a trusted environment, a whole VM can live there.

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