{"cve":"CVE-2021-47320","nvd":{"published":"2024-05-21T15:15:19.220","modified":"2026-06-17T04:17:11.237","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfs: fix acl memory leak of posix_acl_create()\n\nWhen looking into another nfs xfstests report, I found acl and\ndefault_acl in nfs3_proc_create() and nfs3_proc_mknod() error\npaths are possibly leaked. Fix them in advance.","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/0704f617040c397ae73c1f88f3956787ec5d6529","https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262","https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2","https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4","https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47320","score":0.00259,"percentile":0.17591,"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."]}