{"cve":"CVE-2021-47071","nvd":{"published":"2024-03-01T22:15:46.967","modified":"2026-06-17T04:16:23.267","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix a memory leak in error handling paths\n\nIf 'vmbus_establish_gpadl()' fails, the (recv|send)_gpadl will not be\nupdated and 'hv_uio_cleanup()' in the error handling path will not be\nable to free the corresponding buffer.\n\nIn such a case, we need to free the buffer explicitly.","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/3ee098f96b8b6c1a98f7f97915f8873164e6af9d","https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827","https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76","https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354","https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47071","score":0.00235,"percentile":0.1455,"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."]}