{"cve":"CVE-2021-47257","nvd":{"published":"2024-05-21T15:15:14.460","modified":"2026-06-17T04:17:01.847","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ieee802154: fix null deref in parse dev addr\n\nFix a logic error that could result in a null deref if the user sets\nthe mode incorrectly for the given addr type.","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/1f95741981c899c4724647291fec5faa3c777185","https://git.kernel.org/stable/c/5f728ec65485625e30f46e5b4917ff023ad29ea0","https://git.kernel.org/stable/c/9fdd04918a452980631ecc499317881c1d120b70","https://git.kernel.org/stable/c/c6998ccfefa652bac3f9b236821e392af43efa1e","https://git.kernel.org/stable/c/c7836de2cadd88bc2f20f2c5a3d4ef4c73aef627"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47257","score":0.00228,"percentile":0.13592,"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."]}