{"cve":"CVE-2025-21833","nvd":{"published":"2025-03-06T17:15:23.293","modified":"2026-06-17T08:44:24.197","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/60f030f7418d3f1d94f2fb207fe3080e1844630b","https://git.kernel.org/stable/c/68ec78beb4a3fb0877cbaaf49758c85410c05977","https://git.kernel.org/stable/c/df96876be3b064aefc493f760e0639765d13ed0d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:00:17.429720821+00:00"},"epss":{"cve":"CVE-2025-21833","score":0.00215,"percentile":0.11941,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}