{"uuid": "3fea5b78-13fa-41bd-b08d-56b25451f364", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-80873", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117252764621390570", "content": "CVE-2026-80873: Linux KVM arm64 bug lets nested SError inject stale ESR_EL2, corrupting guest L2 hypervisor state. CVSS N/A, unpatched. If you run nested virt on arm64, audit now. Fix pending - monitor upstream. https://www.valtersit.com/cve/CVE-2026-80873/ #CVE #Linux #infosec", "creation_timestamp": "2026-09-11T14:00:06.547382Z"}