{"metadata": {"vulnerability": "CVE-2026-98900", "count": 22, "kinds": {"milestone": 7, "sighting": 1, "kev": 0, "other": 14}}, "data": [{"timestamp": "2026-09-25T10:25:14.379Z", "date_only": false, "value": "2026-09-25T10:25:14.379Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-98900", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-10-23T11:54:10.566Z", "date_only": false, "value": "2026-10-23T11:54:10.566Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-98900", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-10-23T12:18:00Z", "date_only": false, "value": "2026-10-23T12:18:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2026-98900", "record": "UBUNTU-CVE-2026-98900", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T12:18:24Z", "date_only": false, "value": "2026-10-23T12:18:24Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-MWRQ-HX54-3H97", "record": "GHSA-MWRQ-HX54-3H97", "field": "database_specific.nvd_published_at", "linked_record": true}, {"timestamp": "2026-10-23T12:18:24.020Z", "date_only": false, "value": "2026-10-23T12:18:24.020", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2026-98900", "record": "FKIE_CVE-2026-98900", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-10-23T12:22:14.741Z", "date_only": false, "value": "2026-10-23T12:22:14.741214Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117490196595122238", "record": "CVE-2026-98900", "field": "creation_timestamp", "uuid": "ad322022-cef2-41a3-8a84-aab0fd17a866", "content": "CVE-2026-98900 xen/gntalloc: validate grant count before allocation In the Linux kernel, the following vulnerability has been resolved:\nxen/gntalloc: validate grant count before allocation\ngntalloc_ioctl_alloc() allocates the grant-id array before checkingwhether the requested count fits within the global grant limit. Countsabove that limit cannot succeed, so reject them before theuser-controlled allocation reaches kcalloc().\nUse a subtraction-based check while holding gref_mutex so adding therequested count cannot wrap. Also cast the count before advancing theper-file index so the page-size multiplication is performed in 64-bitarithmetic.\nhttps://www.cve.org/CVERecord?id=CVE-2026-98900https://git.kernel.org/stable/c/e2806390aa1c4d5b3f7a68f10a56ae12c71c00d8https://git.kernel.org/stable/c/71a0cf87e19fb35c4292ca88985e376e613c900ahttps://git.kernel.org/stable/c/641de086a05f349de7fc548612432bc2fed721cahttps://git.kernel.org/stable/c/720554c04acba80018ded069d3e0984bebaee891https://git.kernel.org/stable/c/84d5727cef8eb9c8a28210ad248f1c70b223b065https://git.kernel.org/stable/c/231542f4e43cf9837cb520664545e85fbe666b7bhttps://git.kernel.org/stable/c/2299822f3f466b5dcad2377bf63986199f881a6b#kernel #Linux#CVE_2026_98900#bot", "url": "https://infosec.exchange/users/cve/statuses/117490196595122238"}, {"timestamp": "2026-10-23T12:31:37Z", "date_only": false, "value": "2026-10-23T12:31:37Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-MWRQ-HX54-3H97", "record": "GHSA-MWRQ-HX54-3H97", 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