{"metadata": {"vulnerability": "CVE-2021-41073", "count": 47, "kinds": {"milestone": 8, "sighting": 7, "kev": 0, "other": 32}}, "data": [{"timestamp": "2021-09-02T00:00:00Z", "date_only": false, "value": "2021-09-02T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "csaf_microsoft \u00b7 MSRC_CVE-2021-41073", "record": "MSRC_CVE-2021-41073", "field": "document.tracking.initial_release_date"}, {"timestamp": "2021-09-14T00:00:00Z", "date_only": false, "value": "2021-09-14T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2021-41073", "field": "cveMetadata.dateReserved"}, {"timestamp": "2021-09-19T16:02:30Z", "date_only": false, "value": "2021-09-19T16:02:30.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2021-41073", "field": "cveMetadata.datePublished"}, {"timestamp": "2021-09-19T17:15:00Z", "date_only": false, "value": "2021-09-19T17:15:00Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-5CQF-VV6J-6F4G", "record": "GHSA-5CQF-VV6J-6F4G", "field": "database_specific.nvd_published_at"}, {"timestamp": "2021-09-19T17:15:00Z", "date_only": false, "value": "2021-09-19T17:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_bellsoft \u00b7 BELL-CVE-2021-41073", "record": "BELL-CVE-2021-41073", "field": "published"}, {"timestamp": "2021-09-19T17:15:00Z", "date_only": false, "value": "2021-09-19T17:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-41073", "record": "UBUNTU-CVE-2021-41073", "field": "published"}, {"timestamp": "2021-09-19T17:15:00Z", "date_only": false, "value": "2021-09-19T17:15Z", "kind": "other", "label": "Published Date", "source": "gsd \u00b7 GSD-2021-41073", "record": "GSD-2021-41073", "field": "namespaces.nvd.nist.gov.publishedDate"}, {"timestamp": "2021-09-19T17:15:07.227Z", "date_only": false, "value": "2021-09-19T17:15:07.227", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2021-41073", "record": "FKIE_CVE-2021-41073", "field": "published"}, {"timestamp": "2021-09-19T22:00:00Z", "date_only": false, "value": "2021-09-19T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.0.date"}, {"timestamp": "2021-09-19T22:00:00Z", "date_only": false, "value": "2021-09-19T22:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.initial_release_date"}, {"timestamp": "2021-09-19T22:00:00Z", "date_only": false, "value": "2021-09-19T22:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2021-09-20T18:29:23Z", "date_only": false, "value": "2021-09-20T18:29:23.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cKure/7176", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "595b47be-a839-47a6-b62a-b98181c3a8a8", "content": "\u25a0\u25a0\u25a0\u25a1\u25a1 Interesting thread: CVE-2021-41073 (Linux LPE Kernel bug - 5.1 to 5.14.6)\n\nhttps://twitter.com/chompie1337/status/1439743758447398918", "url": "https://t.me/cKure/7176"}, {"timestamp": "2021-09-26T22:00:00Z", "date_only": false, "value": "2021-09-26T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.1.date"}, {"timestamp": "2021-09-27T00:00:00Z", "date_only": false, "value": "2021-09-27T00:00:00.000000", "kind": "other", "label": "Revision date", "source": "certfr_avis \u00b7 CERTFR-2021-AVI-737", "record": "CERTFR-2021-AVI-737", "field": 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"document.tracking.revision_history.5.date"}, {"timestamp": "2021-10-18T22:00:00Z", "date_only": false, "value": "2021-10-18T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.6.date"}, {"timestamp": "2021-11-04T23:00:00Z", "date_only": false, "value": "2021-11-04T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.7.date"}, {"timestamp": "2021-12-16T00:00:00Z", "date_only": false, "value": "2021-12-16T00:00:00.000Z", "kind": "other", "label": "Advisory revision", "source": "csaf_microsoft \u00b7 MSRC_CVE-2021-41073", "record": "MSRC_CVE-2021-41073", "field": "document.tracking.revision_history.1.date"}, {"timestamp": "2021-12-16T00:00:00Z", "date_only": false, "value": "2021-12-16T00:00:00.000Z", "kind": "other", "label": "Updated", "source": "csaf_microsoft \u00b7 MSRC_CVE-2021-41073", "record": "MSRC_CVE-2021-41073", "field": "document.tracking.current_release_date"}, {"timestamp": "2022-01-30T23:00:00Z", "date_only": false, "value": "2022-01-30T23:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.8.date"}, {"timestamp": "2022-03-09T18:56:10Z", "date_only": false, "value": "2022-03-09T18:56:10.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/linkersec/155", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "2b95d0d6-9313-4d9a-b478-6b59b23bacc9", "content": "Exploiting CVE-2021-41073 in io_uring\n\nValentina Palmiotti published an excellent write-up about exploiting a type confusion in io_uring to gain root privileges.\n\nThis bug allows freeing arbitrary slab allocations from the kmalloc-32 cache.\n\nValentina described how she constructed these exploit primitives:\n\n\u2714\ufe0f UAF in kmalloc-32\n\u2714\ufe0f Kernel heap info-leak\n\u2714\ufe0f Control flow hijacking\n\u2714\ufe0f Illegal privilege escalation\n\nThe researcher also described her experience with responsible disclosure.", "url": "https://t.me/linkersec/155"}, {"timestamp": "2022-04-03T10:37:21Z", "date_only": false, "value": "2022-04-03T10:37:21.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/BlueRedTeam/1886", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "746a50bd-4a7b-4c5d-b7dd-ea3252644fda", "content": "#exploit\nCVE-2021-41073:\nType confusion in Linux io_uring\nhttps://gist.github.com/QiuhaoLi/d66b0ff2aa5058bd007a3f6c61d29b6e\n\n@BlueRedTeam", "url": "https://t.me/BlueRedTeam/1886"}, {"timestamp": "2022-04-03T13:37:01Z", "date_only": false, "value": "2022-04-03T13:37:01.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/CyberSecurityTechnologies/5733", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "a0603d55-d5ca-4ded-9bff-4591660e9728", "content": "#exploit\nCVE-2021-41073:\nType confusion in Linux io_uring\nhttps://gist.github.com/QiuhaoLi/d66b0ff2aa5058bd007a3f6c61d29b6e", "url": "https://t.me/CyberSecurityTechnologies/5733"}, {"timestamp": "2022-05-24T19:15:01Z", "date_only": false, "value": "2022-05-24T19:15:01Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-5CQF-VV6J-6F4G", "record": "GHSA-5CQF-VV6J-6F4G", "field": "published"}, {"timestamp": "2022-05-24T19:15:01Z", "date_only": false, "value": "2022-05-24T19:15:01Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-5CQF-VV6J-6F4G", "record": "GHSA-5CQF-VV6J-6F4G", "field": "modified"}, {"timestamp": "2022-06-04T23:06:09Z", "date_only": false, "value": "2022-06-04T23:06:09.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "CVE-2021-41073", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": "2022-07-04T10:47:21Z", "date_only": false, "value": "2022-07-04T10:47:21.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/linkersec/173", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "44c1b2c2-3c8c-4ff5-86a4-466acacb55e5", "content": "io_uring - new code, new bugs, and a new exploit technique\n\nLam Jun Rong published an article that covers analyzing and exploiting CVE-2021-41073, an invalid-free vulnerability in the io_uring subsystem.\n\nThis vulnerability has previously been exploited by Valentina Palmiotti, but that exploit relied on eBPF. The new exploit targets Ubuntu 21.10, where eBPF is not available to unprivileged users.", "url": "https://t.me/linkersec/173"}, {"timestamp": "2023-01-11T16:57:00Z", "date_only": false, "value": "2023-01-11T16:57Z", "kind": "other", "label": "Last Modified Date", "source": "gsd \u00b7 GSD-2021-41073", "record": "GSD-2021-41073", "field": "namespaces.nvd.nist.gov.lastModifiedDate"}, {"timestamp": "2023-03-23T06:30:43Z", "date_only": false, "value": "2023-03-23T06:30:43.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/proxy_bar/1427", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "708f4279-8ef0-4653-8f23-6c6673746de0", "content": "kernel-linux-factory\n*\n\u0423\u0434\u043e\u0431\u043d\u043e \u0442\u0435\u043c, \u0447\u0442\u043e \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u043a\u043e\u043c\u043f\u0438\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u043b\u0438 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0442\u044c \u0441\u0440\u0435\u0434\u0443, \u0433\u043b\u044f\u043d\u0443\u043b \u043a\u0430\u043a\u043e\u0435 \u044f\u0434\u0440\u043e, \u0437\u0430\u043f\u0443\u0441\u0442\u0438\u043b \u0441\u043f\u043b\u043e\u0435\u0442, \u043f\u043e\u043b\u0443\u0447\u0438\u043b \u043f\u043e \u043c\u043e\u0440\u0434\u0435 #root\n*\n\u0432 \u0441\u043e\u0441\u0442\u0430\u0432\u0435 exploits \u0434\u043b\u044f:\nCVE-2016-9793\n4-20-BPF-integer\nCVE-2017-5123\nCVE-2017-6074\nCVE-2017-7308\nCVE-2017-8890\nCVE-2017-11176\nCVE-2017-16995\nCVE-2017-1000112\nCVE-2018-5333\nCVE-2019-9213 & CVE-2019-8956\nCVE-2019-15666\nCVE-2020-8835\nCVE-2020-27194\nCVE-2021-3156\nCVE-2021-31440\nCVE-2021-3490\nCVE-2021-22555\nCVE-2021-41073\nCVE-2021-4154\nCVE-2021-42008\nCVE-2021-43267\nCVE-2022-0185\nCVE-2022-0847\nCVE-2022-0995\nCVE-2022-1015\nCVE-2022-2588\nCVE-2022-2639\nCVE-2022-25636\nCVE-2022-27666\nCVE-2022-32250\nCVE-2022-34918\n\ndownload\n\n#linux #exploits #kernel", "url": "https://t.me/proxy_bar/1427"}, {"timestamp": "2023-03-23T09:18:19Z", "date_only": false, "value": "2023-03-23T09:18:19.000000Z", "kind": "sighting", "label": "Seen", "source": "Telegram/TXmZ8EBGvdc4uufvEqu6hfgyjEc7K_gjD1Jpp8Uzvu6-KK0", "record": "CVE-2021-41073", "field": "creation_timestamp", "uuid": "5339eb2f-8aed-42f7-a98b-ec343af48539"}, {"timestamp": "2023-06-28T22:00:00Z", "date_only": false, "value": "2023-06-28T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.revision_history.9.date"}, {"timestamp": "2023-06-28T22:00:00Z", "date_only": false, "value": "2023-06-28T22:00:00.000+00:00", "kind": "other", "label": "Updated", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.current_release_date"}, {"timestamp": "2023-12-13T01:23:27.538Z", "date_only": false, "value": "2023-12-13T01:23:27.538608Z", "kind": "other", "label": "Updated", "source": "gsd \u00b7 GSD-2021-41073", "record": "GSD-2021-41073", "field": "gsd.osvSchema.modified"}, {"timestamp": "2024-07-18T11:40:09.515Z", "date_only": false, "value": "2024-07-18T11:40:09.515197Z", "kind": "other", "label": "Updated", "source": "osv_bellsoft \u00b7 BELL-CVE-2021-41073", "record": "BELL-CVE-2021-41073", "field": "modified"}, {"timestamp": "2024-07-18T11:40:09.515Z", "date_only": false, "value": "2024-07-18T11:40:09.515197Z", "kind": "other", "label": "Withdrawn", "source": "osv_bellsoft \u00b7 BELL-CVE-2021-41073", "record": "BELL-CVE-2021-41073", "field": "withdrawn"}, {"timestamp": "2024-08-04T02:59:31Z", "date_only": false, "value": "2024-08-04T02:59:31.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5", "record": "CVE-2021-41073", "field": "cveMetadata.dateUpdated"}, {"timestamp": "2024-08-04T02:59:31Z", "date_only": false, "value": "2024-08-04T02:59:31.000Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CVE", "record": "CVE-2021-41073", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2024-08-15T17:53:11.245Z", "date_only": false, "value": "2024-08-15T17:53:11.245+00:00", "kind": "other", "label": "Document generated", "source": "csaf_certbund \u00b7 WID-SEC-W-2023-1586", "record": "WID-SEC-W-2023-1586", "field": "document.tracking.generator.date"}, {"timestamp": "2025-10-19T22:11:41.977Z", "date_only": false, "value": "2025-10-19T22:11:41.977Z", "kind": "other", "label": "Document generated", "source": "csaf_microsoft \u00b7 MSRC_CVE-2021-41073", "record": "MSRC_CVE-2021-41073", "field": "document.tracking.generator.date"}, {"timestamp": "2025-10-24T04:50:35Z", "date_only": false, "value": "2025-10-24T04:50:35Z", "kind": "other", "label": "Updated", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2021-41073", "record": "UBUNTU-CVE-2021-41073", "field": "modified"}, {"timestamp": "2026-06-17T04:07:49.240Z", 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