{"cve":"CVE-2021-47426","nvd":{"published":"2024-05-21T15:15:28.027","modified":"2026-06-17T04:17:26.697","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, s390: Fix potential memory leak about jit_data\n\nMake sure to free jit_data through kfree() in the error path.","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/29fdb11ca88d3c490a3d56f0dc77eb9444d086be","https://git.kernel.org/stable/c/686cb8b9f6b46787f035afe8fbd132a74e6b1bdd","https://git.kernel.org/stable/c/a326f9c01cfbee4450ae49ce618ae6cbc0f76842","https://git.kernel.org/stable/c/d590a410e472417a22336c7c37685bfb38e801f2","https://git.kernel.org/stable/c/29fdb11ca88d3c490a3d56f0dc77eb9444d086be"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2021-47426","score":0.00222,"percentile":0.12888,"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."]}