{"metadata": {"vulnerability": "CVE-2025-21893", "count": 73, "kinds": {"milestone": 23, "sighting": 4, "kev": 0, "other": 46}}, "data": [{"timestamp": "2024-12-29T08:45:45.783Z", "date_only": false, "value": "2024-12-29T08:45:45.783Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2025-21893", "field": "cveMetadata.dateReserved"}, {"timestamp": "2025-02-27T00:00:00Z", "date_only": false, "value": "2025-02-27T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.0.discovery_date"}, {"timestamp": "2025-02-27T00:00:00Z", "date_only": false, "value": "2025-02-27T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2025-03-27T00:00:00Z", "date_only": false, "value": "2025-03-27T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.1.discovery_date"}, {"timestamp": "2025-03-27T00:00:00Z", "date_only": false, "value": "2025-03-27T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.1.release_date"}, {"timestamp": "2025-03-31T00:00:00Z", "date_only": false, "value": "2025-03-31T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.2.discovery_date"}, {"timestamp": "2025-03-31T00:00:00Z", "date_only": false, "value": "2025-03-31T00:00:00+00:00", "kind": "other", "label": "Release date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": "vulnerabilities.2.release_date"}, {"timestamp": "2025-03-31T19:41:46.137Z", "date_only": false, "value": "2025-03-31T19:41:46.137Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2025-21893", "field": "cveMetadata.datePublished"}, {"timestamp": "2025-03-31T20:15:00Z", "date_only": false, "value": "2025-03-31T20:15:00Z", "kind": "milestone", "label": "Published", "source": "osv_ubuntu \u00b7 UBUNTU-CVE-2025-21893", "record": "UBUNTU-CVE-2025-21893", "field": "published"}, {"timestamp": "2025-03-31T20:15:14Z", "date_only": false, "value": "2025-03-31T20:15:14Z", "kind": "other", "label": "Nvd published at", "source": "github \u00b7 GHSA-PRXC-P2G7-M92V", "record": "GHSA-PRXC-P2G7-M92V", "field": "database_specific.nvd_published_at"}, {"timestamp": "2025-03-31T20:15:14.613Z", "date_only": false, "value": "2025-03-31T20:15:14.613", "kind": "milestone", "label": "Published", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-21893", "record": "FKIE_CVE-2025-21893", "field": "published"}, {"timestamp": "2025-03-31T20:31:08Z", "date_only": false, "value": "2025-03-31T20:31:08.000000Z", "kind": "sighting", "label": "Published proof of concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/9762", "record": "CVE-2025-21893", "field": "creation_timestamp", "uuid": "0a0536a4-a26a-4a62-b888-c0eedc8722b2", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21893\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nkeys: Fix UAF in key_put()\n\nOnce a key's reference count has been reduced to 0, the garbage collector\nthread may destroy it at any time and so key_put() is not allowed to touch\nthe key after that point.  The most key_put() is normally allowed to do is\nto touch key_gc_work as that's a static global variable.\n\nHowever, in an effort to speed up the reclamation of quota, this is now\ndone in key_put() once the key's usage is reduced to 0 - but now the code\nis looking at the key after the deadline, which is forbidden.\n\nFix this by using a flag to indicate that a key can be gc'd now rather than\nlooking at the key's refcount in the garbage collector.\n\ud83d\udccf Published: 2025-03-31T19:41:46.137Z\n\ud83d\udccf Modified: 2025-03-31T19:41:46.137Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/6afe2ea2daec156bd94ad2c5a6f4f4c48240dcd3\n2. https://git.kernel.org/stable/c/f6a3cf833188e897c97028cd7b926e3f2cb1a8c0\n3. https://git.kernel.org/stable/c/75845c6c1a64483e9985302793dbf0dfa5f71e32", "url": "https://t.me/DarkWebInformer_CVEAlerts/9762"}, {"timestamp": "2025-03-31T20:45:39.862Z", "date_only": false, "value": "2025-03-31T20:45:39.862234Z", "kind": "other", "label": "Recorded", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2025-21893", "field": "containers.adp.0.metrics.1.other.content.timestamp"}, {"timestamp": "2025-03-31T20:45:39.862Z", "date_only": false, "value": "2025-03-31T20:45:39.862234Z", "kind": "other", "label": "Recorded", "source": "fkie_nvd \u00b7 FKIE_CVE-2025-21893", "record": "FKIE_CVE-2025-21893", "field": "metrics.ssvcV203.0.ssvcData.timestamp"}, {"timestamp": "2025-03-31T20:53:50.193Z", "date_only": false, "value": "2025-03-31T20:53:50.193Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / CISA-ADP", "record": "CVE-2025-21893", "field": "containers.adp.0.providerMetadata.dateUpdated"}, {"timestamp": "2025-03-31T21:09:33.612Z", "date_only": false, "value": "2025-03-31T21:09:33.612289Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/vuldb/statuses/114259091334934490", "record": "CVE-2025-21893", "field": "creation_timestamp", "uuid": "bb849994-b44d-44a8-9c7c-609b31b26cb3", "url": "https://infosec.exchange/users/vuldb/statuses/114259091334934490"}, {"timestamp": "2025-03-31T21:32:48Z", "date_only": false, "value": "2025-03-31T21:32:48Z", "kind": "milestone", "label": "Published", "source": "github \u00b7 GHSA-PRXC-P2G7-M92V", "record": "GHSA-PRXC-P2G7-M92V", "field": "published"}, {"timestamp": "2025-03-31T21:32:48Z", "date_only": false, "value": "2025-03-31T21:32:48Z", "kind": "other", "label": "Updated", "source": "github \u00b7 GHSA-PRXC-P2G7-M92V", "record": "GHSA-PRXC-P2G7-M92V", "field": "modified"}, {"timestamp": "2025-03-31T22:00:00Z", "date_only": false, "value": "2025-03-31T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2025-0672", "record": "WID-SEC-W-2025-0672", "field": "document.tracking.revision_history.0.date"}, {"timestamp": "2025-03-31T22:00:00Z", "date_only": false, "value": "2025-03-31T22:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2025-0672", "record": "WID-SEC-W-2025-0672", "field": "document.tracking.initial_release_date"}, {"timestamp": "2025-03-31T22:00:00Z", "date_only": false, "value": "2025-03-31T22:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 WID-SEC-W-2025-0672", "record": "WID-SEC-W-2025-0672", "field": "vulnerabilities.0.release_date"}, {"timestamp": "2025-03-31T23:23:54Z", "date_only": false, "value": "2025-03-31T23:23:54.000000Z", "kind": "sighting", "label": "Seen", "source": "https://t.me/cvedetector/21651", "record": "CVE-2025-21893", "field": "creation_timestamp", "uuid": "28a97d4b-fff9-4ebc-b828-afc2423282d2", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-21893 - Linux Kernel Keyring Use After Free (UAF) Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2025-21893 \nPublished : March 31, 2025, 8:15 p.m. | 51\u00a0minutes ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \nkeys: Fix UAF in key_put()  \n  \nOnce a key's reference count has been reduced to 0, the garbage collector  \nthread may destroy it at any time and so key_put() is not allowed to touch  \nthe key after that point.  The most key_put() is normally allowed to do is  \nto touch key_gc_work as that's a static global variable.  \n  \nHowever, in an effort to speed up the reclamation of quota, this is now  \ndone in key_put() once the key's usage is reduced to 0 - but now the code  \nis looking at the key after the deadline, which is forbidden.  \n  \nFix this by using a flag to indicate that a key can be gc'd now rather than  \nlooking at the key's refcount in the garbage collector. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"31 Mar 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "url": "https://t.me/cvedetector/21651"}, {"timestamp": "2025-04-01T00:00:00Z", "date_only": false, "value": "2025-04-01T00:00:00+00:00", "kind": "other", "label": "Discovery date", "source": "csaf_redhat \u00b7 RHSA-2025:9079", "record": "RHSA-2025:9079", "field": 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