{"cve":"CVE-2021-47184","nvd":{"published":"2024-04-10T19:15:47.333","modified":"2026-08-04T10:16:51.017","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix NULL ptr dereference on VSI filter sync\n\nRemove the reason of null pointer dereference in sync VSI filters.\nAdded new I40E_VSI_RELEASING flag to signalize deleting and releasing\nof VSI resources to sync this thread with sync filters subtask.\nWithout this patch it is possible to start update the VSI filter list\nafter VSI is removed, that's causing a kernel oops.","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/37d9e304acd903a445df8208b8a13d707902dea6","https://git.kernel.org/stable/c/78f2a9e831f9610e3655a0be5e675e1aa2472089","https://git.kernel.org/stable/c/87c421ab4a43433cb009fea44bbbc77f46913e1d","https://git.kernel.org/stable/c/c30162da91327e4cdf7cd03079f096bb3654738c","https://git.kernel.org/stable/c/e91e8427a1e1633a0261e3bb0201c836ac5b3890"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:48:32.179249784+00:00"},"epss":{"cve":"CVE-2021-47184","score":0.0025,"percentile":0.16399,"date":"2026-11-01"},"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."]}