{"cve":"CVE-2022-50886","nvd":{"published":"2025-12-30T13:16:03.720","modified":"2026-06-17T05:24:21.283","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: toshsd: fix return value check of mmc_add_host()\n\nmmc_add_host() may return error, if we ignore its return value, the memory\nthat allocated in mmc_alloc_host() will be leaked and it will lead a kernel\ncrash because of deleting not added device in the remove path.\n\nSo fix this by checking the return value and goto error path which will call\nmmc_free_host(), besides, free_irq() also needs be called.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/3329e7b7132ca727263fb0ee214cf52cc6dcaaad","https://git.kernel.org/stable/c/34ae492f8d172f0bd193c24cad588b35419ea47a","https://git.kernel.org/stable/c/3dbb69a0242c31ea4c9eee22b1c41b515fe509a0","https://git.kernel.org/stable/c/4f6cb1c685f9e20a4a9fa565e442f5af4dad70ff","https://git.kernel.org/stable/c/6444079767b68b1fbed0e7668081146e80dcb719"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:18:08.089039631+00:00"},"epss":{"cve":"CVE-2022-50886","score":0.00232,"percentile":0.14113,"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."]}