{"cve":"CVE-2022-50653","nvd":{"published":"2025-12-09T01:16:48.207","modified":"2026-06-17T05:23:56.337","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: atmel-mci: fix return value check of mmc_add_host()\n\nmmc_add_host() may return error, if we ignore its return value,\nit will lead two issues:\n1. The memory that allocated in mmc_alloc_host() is leaked.\n2. In the remove() path, mmc_remove_host() will be called to\n   delete device, but it's not added yet, it will lead a kernel\n   crash because of null-ptr-deref in device_del().\n\nSo fix this by checking the return value and calling mmc_free_host()\nin the error path.","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/00ac0f5f95920f003cd6ece53cdc759549b69118","https://git.kernel.org/stable/c/1925472dec31ec061d57412b3a65a056ea24f340","https://git.kernel.org/stable/c/6bb26abb92f25e582a0976091a10b539fe3796db","https://git.kernel.org/stable/c/85946ceb0fac20ab39cdb85333086daf0291a553","https://git.kernel.org/stable/c/99a6cdfa2cf05028b52f6d8ee85ccc5f8b71b4a2"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2022-50653","score":0.00205,"percentile":0.10501,"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."]}