{"cve":"CVE-2022-49212","nvd":{"published":"2025-02-26T07:00:58.293","modified":"2026-06-17T05:17:23.993","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init\n\nThe reference counting issue happens in several error handling paths\non a refcounted object \"nc->dmac\". In these paths, the function simply\nreturns the error code, forgetting to balance the reference count of\n\"nc->dmac\", increased earlier by dma_request_channel(), which may\ncause refcount leaks.\n\nFix it by decrementing the refcount of specific object in those error\npaths.","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":[],"references":["https://git.kernel.org/stable/c/0856bf27057561f42b37df111603cf5a0d040294","https://git.kernel.org/stable/c/8baea2b96fa90af8d0f937caf4cf2105ee094d93","https://git.kernel.org/stable/c/9843c9c98f26c6ad843260b19bfdaa2598f2ae1e","https://git.kernel.org/stable/c/9b08d211db4c447eb1a07df65e45e0aa772e0fa6","https://git.kernel.org/stable/c/a3587259ae553e41d1ce8c7435351a5d6b299a11"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49212","score":0.00269,"percentile":0.19175,"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."]}