{"cve":"CVE-2021-47091","nvd":{"published":"2024-03-04T18:15:07.670","modified":"2026-06-17T04:16:26.950","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmac80211: fix locking in ieee80211_start_ap error path\n\nWe need to hold the local->mtx to release the channel context,\nas even encoded by the lockdep_assert_held() there. Fix it.","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-667"],"references":["https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c","https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79","https://git.kernel.org/stable/c/c1d1ec4db5f7264cfc21993e59e8f2dcecf4b44f","https://git.kernel.org/stable/c/87a270625a89fc841f1a7e21aae6176543d8385c","https://git.kernel.org/stable/c/ac61b9c6c0549aaeb98194cf429d93c41bfe5f79"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47091","score":0.0017,"percentile":0.06346,"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."]}