{"metadata": {"vulnerability": "CVE-2026-99218", "count": 36, "kinds": {"milestone": 9, "sighting": 1, "kev": 0, "other": 26}, "linked_omitted": 0}, "data": [{"timestamp": "2026-09-25T10:25:14.401Z", "date_only": false, "value": "2026-09-25T10:25:14.401Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99218", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-11-02T16:06:31.088Z", "date_only": false, "value": "2026-11-02T16:06:31.088Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99218", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-11-02T16:17:00Z", "date_only": false, "value": "2026-11-02T16:17:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-99218", "record": "UBUNTU-CVE-2026-99218", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-11-02T16:17:45Z", "date_only": false, "value": "2026-11-02T16:17:45Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-2CPV-4F6V-PR9H", "record": "GHSA-2CPV-4F6V-PR9H", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2026-11-02T16:17:45.740Z", "date_only": false, "value": "2026-11-02T16:17:45.740", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-99218", "record": "FKIE_CVE-2026-99218", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-11-02T16:20:33.659Z", "date_only": false, "value": "2026-11-02T16:20:33.659625Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117547742806228921", "record": "CVE-2026-99218", "field": "creation_timestamp", "uuid": "29fabcab-be4e-408a-afaf-b3dcd5855d8f", "content": "CVE-2026-99218 coredump: hold RCU while releasing parked threads In the Linux kernel, the following vulnerability has been resolved:\ncoredump: hold RCU while releasing parked threads\ncoredump_finish() releases the parked threads by clearing ->task intheir core_thread entry and calling wake_up_process() on each of them.It does that without holding a reference on the task and without beinginside rcu.\nBut calling wake_up_process(task) without rcu here isn't safe. A parkedthread doesn't need that wakeup to leave. A spurious wakeup or apreemption after the store is enough for the task to go away.\nSo if the coredump client is preempted between the store andwake_up_process() the thread can exit and be freed in the meantime andtry_to_wake_up() takes pi_lock in freed memory.\nHold rcu across the loop.\nhttps://www.cve.org/CVERecord?id=CVE-2026-99218https://git.kernel.org/stable/c/fd0fbe84312fda2fc187428c92c50b7d03a9d24chttps://git.kernel.org/stable/c/71146c437bae59e5280f657965dc6d006ee3989bhttps://git.kernel.org/stable/c/0fce73efee40c65ce26641c5d93942462f9e8307https://git.kernel.org/stable/c/16e94ed90b1b02398e044d41fd1db34828daa08ehttps://git.kernel.org/stable/c/a0f09ff4c6b93312e565cfe75d76c3a551a3ec4chttps://git.kernel.org/stable/c/b0eca0edddf4c1dbaf6d1f6a8636b4235f5bc573#kernel #Linux#CVE_2026_99218#bot", "url": "https://infosec.exchange/users/cve/statuses/117547742806228921"}, {"timestamp": "2026-11-02T18:32:26Z", "date_only": false, "value": "2026-11-02T18:32:26Z", "kind": "milestone", "label": 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