{"vulnerability": "CVE-2025-21833", "sightings": [{"uuid": "78daadb7-179c-40a5-859f-624c2f685aa5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0397/", "content": "", "creation_timestamp": "2026-04-02T17:00:00.000000Z"}, {"uuid": "9fa73962-083a-4491-afbc-fc5aa9875829", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0316/", "content": "", "creation_timestamp": "2026-03-19T00:00:00.000000Z"}, {"uuid": "e2a8f0b5-cd8c-424c-9c47-26f3f222e9f9", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/6703", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21833\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Avoid use of NULL after WARN_ON_ONCE\n\nThere is a WARN_ON_ONCE to catch an unlikely situation when\ndomain_remove_dev_pasid can't find the `pasid`. In case it nevertheless\nhappens we must avoid using a NULL pointer.\n\ud83d\udccf Published: 2025-03-06T16:22:34.798Z\n\ud83d\udccf Modified: 2025-03-06T16:22:34.798Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d\n2. https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b", "creation_timestamp": "2025-03-06T16:34:01.000000Z"}, {"uuid": "18292b4e-ba2c-444e-8c28-62453358fac6", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities_20260408", "content": "", "creation_timestamp": "2026-04-07T18:00:00.000000Z"}, {"uuid": "ca166355-e8d2-424f-9c36-e510d9bc9f05", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://t.me/cvedetector/19719", "content": "{\n  \"Source\": \"CVE FEED\",\n  \"Title\": \"CVE-2025-21833 - Intel VT-D NULL Pointer Dereference Vulnerability\", \n  \"Content\": \"CVE ID : CVE-2025-21833 \nPublished : March 6, 2025, 5:15 p.m. | 1\u00a0hour ago \nDescription : In the Linux kernel, the following vulnerability has been resolved:  \n  \niommu/vt-d: Avoid use of NULL after WARN_ON_ONCE  \n  \nThere is a WARN_ON_ONCE to catch an unlikely situation when  \ndomain_remove_dev_pasid can't find the `pasid`. In case it nevertheless  \nhappens we must avoid using a NULL pointer. \nSeverity: 0.0 | NA \nVisit the link for more details, such as CVSS details, affected products, timeline, and more...\",\n  \"Detection Date\": \"06 Mar 2025\",\n  \"Type\": \"Vulnerability\"\n}\n\ud83d\udd39 t.me/cvedetector \ud83d\udd39", "creation_timestamp": "2025-03-06T19:41:35.000000Z"}, {"uuid": "d7608a19-4f52-45b3-b3ca-15e2a4a080e4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2025-21833", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/15902", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21833\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\niommu/vt-d: Avoid use of NULL after WARN_ON_ONCE\n\nThere is a WARN_ON_ONCE to catch an unlikely situation when\ndomain_remove_dev_pasid can't find the `pasid`. In case it nevertheless\nhappens we must avoid using a NULL pointer.\n\ud83d\udccf Published: 2025-03-06T16:22:34.798Z\n\ud83d\udccf Modified: 2025-05-10T16:48:43.781Z\n\ud83d\udd17 References:\n1. https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d\n2. https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b", "creation_timestamp": "2025-05-10T17:38:11.000000Z"}]}