{"uuid": "c5cc0bd1-da5b-421c-bc6a-3b8069c00641", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-64399", "type": "seen", "source": "https://mastodon.social/users/hugovalters/statuses/116981720297678493", "content": "CVE-2026-64399 - Linux ksmbd missing permission checks on FSCTL_DUPLICATE_EXTENTS_TO_FILE. Allows data overwrite on read-only shares. CVSS 0.0. No patch yet; monitor for updates. #CVE #Linux #infosec\nhttps://www.valtersit.com/cve/CVE-2026-64399/", "creation_timestamp": "2026-07-25T17:09:54.941224Z"}