{"metadata": {"vulnerability": "CVE-2026-99126", "count": 33, "kinds": {"milestone": 10, "sighting": 1, "kev": 0, "other": 22}, "linked_omitted": 0}, "data": [{"timestamp": "2026-09-25T10:25:14.393Z", "date_only": false, "value": "2026-09-25T10:25:14.393Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-99126", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-28T10:34:40.661Z", "date_only": false, "value": "2026-10-28T10:34:40.661Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-99126", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-28T11:01:23.294Z", "date_only": false, "value": "2026-10-28T11:01:23.294594Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117518190673978655", "record": "CVE-2026-99126", "field": "creation_timestamp", "uuid": "c4285a2e-f469-4da1-898c-064be05e0fa0", "content": "CVE-2026-99126 s390/ctcm: Prevent XID null dereference In the Linux kernel, the following vulnerability has been resolved:\ns390/ctcm: Prevent XID null dereference\nThe mpc_validate_xid() function sets grp->saved_xid2->xid2_flag2 to 0x40to signal XID validation error. If peer XID is NULL or r/w channelpairing mismatch happens, grp->saved_xid2 is never initialized. Anattempt to set the flag in such case leads to NULL dereference.\nFix this by using the always available priv->xid->xid2_flag2 instead ofgrp->saved_xid2->xid2_flag2 for validation errors.\nhttps://www.cve.org/CVERecord?id=CVE-2026-99126https://git.kernel.org/stable/c/34fa3607b7604b3052b19cec8b0ad644818cdd2ahttps://git.kernel.org/stable/c/8a2f7a4ad1d81612fa65bfa4d392ba1bb2f5eeabhttps://git.kernel.org/stable/c/b264d8422779d69febce914efc47a92a85cc382c#kernel #Linux#CVE_2026_99126#bot", "url": "https://infosec.exchange/users/cve/statuses/117518190673978655"}, {"timestamp": "2026-10-28T11:17:00Z", "date_only": false, "value": "2026-10-28T11:17:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-99126", "record": "UBUNTU-CVE-2026-99126", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-28T11:17:32Z", "date_only": false, "value": "2026-10-28T11:17:32Z", "kind": 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