{"cve":"CVE-2021-47009","nvd":{"published":"2024-02-28T09:15:38.610","modified":"2026-06-17T04:16:10.187","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: trusted: Fix memory leak on object td\n\nTwo error return paths are neglecting to free allocated object td,\ncausing a memory leak. Fix this by returning via the error return\npath that securely kfree's td.\n\nFixes clang scan-build warning:\nsecurity/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential\nmemory leak [unix.Malloc]","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/1c4031014106aff48e1e686e40101c31eab5d44c","https://git.kernel.org/stable/c/31c9a4b24d86cbb36ff0d7a085725a3b4f0138c8","https://git.kernel.org/stable/c/3e24fbd37e72e8a67b74991970fecc82d14f57af","https://git.kernel.org/stable/c/83a775d5f9bfda95b1c295f95a3a041a40c7f321","https://git.kernel.org/stable/c/1c4031014106aff48e1e686e40101c31eab5d44c"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2021-47009","score":0.00246,"percentile":0.15924,"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."]}