{"cve":"CVE-2021-47347","nvd":{"published":"2024-05-21T15:15:21.287","modified":"2026-08-04T10:16:59.057","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwl1251: Fix possible buffer overflow in wl1251_cmd_scan\n\nFunction wl1251_cmd_scan calls memcpy without checking the length.\nHarden by checking the length is within the maximum allowed size.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-120"],"references":["https://git.kernel.org/stable/c/0f6c0488368c9ac1aa685821916fadba32f5d1ef","https://git.kernel.org/stable/c/115103f6e3f1c26c473766c16439c7c8b235529a","https://git.kernel.org/stable/c/302e2ee34c5f7c5d805b7f835d9a6f2b43474e2a","https://git.kernel.org/stable/c/40af3960a15339e8bbd3be50c3bc7b35e1a0b6ea","https://git.kernel.org/stable/c/57ad99ae3c6738ba87bad259bb57c641ca68ebf6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47347","score":0.0081,"percentile":0.56915,"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."]}