{"cve":"CVE-2021-47306","nvd":{"published":"2024-05-21T15:15:18.250","modified":"2026-06-17T04:17:09.250","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: fddi: fix UAF in fza_probe\n\nfp is netdev private data and it cannot be\nused after free_netdev() call. Using fp after free_netdev()\ncan cause UAF bug. Fix it by moving free_netdev() after error message.\n\nTURBOchannel adapter\")","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-416"],"references":["https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee","https://git.kernel.org/stable/c/bdfbb51f7a437ae8ea91317a5c133ec13adf3c47","https://git.kernel.org/stable/c/deb7178eb940e2c5caca1b1db084a69b2e59b4c9","https://git.kernel.org/stable/c/f33605908a9b6063525e9f68e62d739948c5fccf","https://git.kernel.org/stable/c/04b06716838bfc26742dbed3ae1d3697fe5317ee"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47306","score":0.00231,"percentile":0.13989,"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."]}