Monday, March 2, 2015

XEN security bug may be forcing AWS, RackSpace to reboot their servers

It was reported by XEN security team about a bug where a buggy or malicious HVM gues can crash the host or read data relating to other guests or the hypervisor itself. This certainly cause a bigger security risk in public cloud environment - such as Amazon Web Services or RackSpace Public Cloud where they use XEN has a choice of hypervisor for guest VM.

Probably that's the reason it was reported last week of AWS reboot across regions.


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