{"cve":"CVE-2021-47501","nvd":{"published":"2024-05-24T15:15:10.150","modified":"2026-06-17T04:17:38.320","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix NULL pointer dereference in i40e_dbg_dump_desc\n\nWhen trying to dump VFs VSI RX/TX descriptors\nusing debugfs there was a crash\ndue to NULL pointer dereference in i40e_dbg_dump_desc.\nAdded a check to i40e_dbg_dump_desc that checks if\nVSI type is correct for dumping RX/TX descriptors.","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/16431e442db248ecd8aa9457cf0a656f1885f56e","https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421","https://git.kernel.org/stable/c/e5b7fb2198abc50058f1a29c395b004f76ab1c83","https://git.kernel.org/stable/c/16431e442db248ecd8aa9457cf0a656f1885f56e","https://git.kernel.org/stable/c/23ec111bf3549aae37140330c31a16abfc172421"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47501","score":0.00241,"percentile":0.15348,"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."]}