{"uuid": "63dbf4cc-bc93-4ab3-b1ec-0f7a7f1a064b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-53359", "type": "published-proof-of-concept", "source": "https://t.me/thehackernews/9423", "content": "\ud83d\udd25 A new 16-year-old #Linux KVM flaw lets a rooted nested VM crash the x86 host and take down other tenants on the same machine.\n\nDubbed \"Januscape\" (CVE-2026-53359), the bug sits in KVM\u2019s shadow MMU.\n\nResearcher says a full guest-to-host escape exploit also exists in a controlled setup; only the host-crash PoC is public.\n\nExplained here: https://thehackernews.com/2026/07/16-year-old-linux-kvm-flaw-lets-guest.html", "creation_timestamp": "2026-07-16T00:00:19.694654Z"}