{"vulnerability": "CVE-2026-89453", "sightings": [{"uuid": "62d0678f-a888-42ce-92ac-3f9399b1f460", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89453", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/117295626226713139", "content": "CVE-2026-89453 Linux kernel iommu/amd PPR fault handling leaks PCI device references. Unpatched. Patch now https://www.valtersit.com/cve/CVE-2026-89453/ #CVE #infosec #Linux", "creation_timestamp": "2026-09-19T03:40:21.356598Z"}, {"uuid": "61887c0a-4a59-41a3-976a-74c8dd231852", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-89453", "type": "seen", "source": "https://bsky.app/profile/hugovalters.bsky.social/post/3mvtrorjobj2v", "content": "CVE-2026-89453 Linux kernel iommu/amd PPR fault handling leaks PCI device references. Unpatched. Patch now https://www.valtersit.com/cve/CVE-2026-89453/ #CVE #infosec #Linux", "creation_timestamp": "2026-09-19T03:50:04.630338Z"}]}