{"cve":"CVE-2022-49431","nvd":{"published":"2025-02-26T07:01:19.573","modified":"2026-06-17T05:18:01.917","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/iommu: Add missing of_node_put in iommu_init_early_dart\n\nThe device_node pointer is returned by of_find_compatible_node\nwith refcount incremented. We should use of_node_put() to avoid\nthe refcount leak.","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/57b742a5b8945118022973e6416b71351df512fb","https://git.kernel.org/stable/c/7e3f1dfb9e21733d7276bc9ccea4daada163f2ba","https://git.kernel.org/stable/c/8657e8ea23325949091da72453ba84fb73cc2bd9","https://git.kernel.org/stable/c/cb4f2dc513e99c5d0485661f114e4dda73612d10","https://git.kernel.org/stable/c/df6d8b689252c0acc0448d4ae3d33f2d6db048ab"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49431","score":0.00269,"percentile":0.1917,"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."]}