Recent content by simal

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    QEMU escape mitigations

    Hi Thomas, thanks for your answers! Re MAC the rationale would be the following: indeed a vulnerability in the KVM kernel module is severe and MAC won't be any help. However historically most of the KVM/QEMU VM escapes exploited vulnerabilities in userspace QEMU. QEMU does most of the virtual...
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    QEMU escape mitigations

    Hi all, AFAIK latest Proxmox VE includes fixes for all known QEMU escapes out there, however I am interested in mitigations that can be implemented to prevent an attacker who would find and exploit a new QEMU vulnerability to attack other guests, or the host. In this youtube video, an QEMU...