{"vulnerability": "CVE-2025-21945", "sightings": [{"uuid": "7c880aa3-6df6-473f-a599-ee15307f5bb8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-21945", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/", "content": "", "creation_timestamp": "2026-03-19T00:00:00.000000Z"}, {"uuid": "25613f9f-e501-488c-9d0c-bba8a7a0d9cb", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-21945", "type": "published-proof-of-concept", "source": "https://t.me/DarkWebInformer_CVEAlerts/10051", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21945\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in smb2_lock\n\nIf smb_lock->zero_len has value, ->llist of smb_lock is not delete and\nflock is old one. It will cause use-after-free on error handling\nroutine.\n\ud83d\udccf Published: 2025-04-01T15:41:08.471Z\n\ud83d\udccf Modified: 2025-04-02T12:16:56.760Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/410ce35a2ed6d0e114132bba29af49b69880c8c7\n2. https://git.kernel.org/stable/c/8573571060ca466cbef2c6f03306b2cc7b883506\n3. https://git.kernel.org/stable/c/a0609097fd10d618aed4864038393dd75131289e\n4. https://git.kernel.org/stable/c/636e021646cf9b52ddfea7c809b018e91f2188cb\n5. https://git.kernel.org/stable/c/84d2d1641b71dec326e8736a749b7ee76a9599fc", "creation_timestamp": "2025-04-02T12:36:40.000000Z"}]}