{"cve":"CVE-2021-47052","nvd":{"published":"2024-02-28T09:15:40.567","modified":"2026-06-17T04:16:19.177","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: sa2ul - Fix memory leak of rxd\n\nThere are two error return paths that are not freeing rxd and causing\nmemory leaks.  Fix these.\n\nAddresses-Coverity: (\"Resource 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/0e596b3734649041ed77edc86a23c0442bbe062b","https://git.kernel.org/stable/c/854b7737199848a91f6adfa0a03cf6f0c46c86e8","https://git.kernel.org/stable/c/b7bd0657c2036add71981d88a7fae50188150b6e","https://git.kernel.org/stable/c/dfd6443bf49ac17adf882ca46c40c506a0284bd6","https://git.kernel.org/stable/c/0e596b3734649041ed77edc86a23c0442bbe062b"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-47052","score":0.00236,"percentile":0.14583,"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."]}