{"cve":"CVE-2021-47020","nvd":{"published":"2024-02-29T23:15:07.357","modified":"2026-06-17T04:16:12.587","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nsoundwire: stream: fix memory leak in stream config error path\n\nWhen stream config is failed, master runtime will release all\nslave runtime in the slave_rt_list, but slave runtime is not\nadded to the list at this time. This patch frees slave runtime\nin the config error path to fix the memory leak.","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-401"],"references":["https://git.kernel.org/stable/c/2f17ac005b320c85d686088cfd4c2e7017912b88","https://git.kernel.org/stable/c/342260fe821047c3d515e3d28085d73fbdce3e80","https://git.kernel.org/stable/c/48f17f96a81763c7c8bf5500460a359b9939359f","https://git.kernel.org/stable/c/7c468deae306d0cbbd539408c26cfec04c66159a","https://git.kernel.org/stable/c/870533403ffa28ff63e173045fc5369365642002"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47020","score":0.00226,"percentile":0.13359,"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."]}