{"cve":"CVE-2021-47070","nvd":{"published":"2024-03-01T22:15:46.920","modified":"2026-06-17T04:16:23.053","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nuio_hv_generic: Fix another memory leak in error handling paths\n\nMemory allocated by 'vmbus_alloc_ring()' at the beginning of the probe\nfunction is never freed in the error handling path.\n\nAdd the missing 'vmbus_free_ring()' call.\n\nNote that it is already freed in the .remove function.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df","https://git.kernel.org/stable/c/261bbd90cc53d2835343f056770156cf1e82cf03","https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07","https://git.kernel.org/stable/c/0b0226be3a52dadd965644bc52a807961c2c26df","https://git.kernel.org/stable/c/5f59240cf25b2f7a0fdffc2701482a70310fec07"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2021-47070","score":0.00226,"percentile":0.13289,"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."]}