https://vulnerability.circl.lu/sightings/feed 2026-09-12T16:40:17.424422+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/3fea5b78-13fa-41bd-b08d-56b25451f364/export 2026-09-12T16:40:17.444304+00:00 Automation user https://cvepremium.circl.lu/user/automation {"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"} 2026-09-11T14:00:06.547382+00:00 https://vulnerability.circl.lu/sighting/28857963-06cc-49d4-8718-111fd393ac30/export 2026-09-12T16:40:17.446878+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "28857963-06cc-49d4-8718-111fd393ac30", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-80873", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mvaq247sx62v", "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": "2026-09-11T14:00:02.266964Z"} 2026-09-11T14:00:02.266964+00:00