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Zapscape (CVE-2026-64561): Guest-to-Host Escape in KVM/x86

61 points · 9 comments · john_strinlai

  1. minimaltom · · focus · HN ↗
    Oh yay another one lol. This one seems much more general than the prior one that needed nested page tables.

    Patch Thursday for cloud VM ppl lol

    1. metadat · · focus · HN ↗
      Do most cloud providers have live-migration or what is the approach to make this seamless? What kind of interruption might tenants notice?
      1. minimaltom · · focus · HN ↗
        Yeah most cloud providers have live migration and a reasonably-well-tested playbook for updating the node kernel + hypervisor.
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