Januscape: A 16-Year-Old Linux KVM Escape Bug
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- 4 Aug 2026
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Discussion of the blog article Januscape: A 16-Year-Old Linux KVM Escape Bug.
CVE-2026-53359 lets a guest VM crash or potentially root your Proxmox host, and it hid in KVM's shared code for 16 years. What to patch and how to check.
Discussion thread — share findings, corrections and follow-ups below.