{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50246",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-09-15T13:58:00.972Z",
        "datePublished": "2025-09-15T14:02:04.841Z",
        "dateUpdated": "2026-05-11T19:15:35.968Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:15:35.968Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpci: fix of node refcount leak in tcpci_register_port()\n\nI got the following report while doing device(mt6370-tcpc) load\ntest with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:\n\n  OF: ERROR: memory leak, expected refcount 1 instead of 2,\n  of_node_get()/of_node_put() unbalanced - destroy cset entry:\n  attach overlay node /i2c/pmic@34/tcpc/connector\n\nThe 'fwnode' set in tcpci_parse_config() which is called\nin tcpci_register_port(), its node refcount is increased\nin device_get_named_child_node(). It needs be put while\nexiting, so call fwnode_handle_put() in the error path of\ntcpci_register_port() and in tcpci_unregister_port() to\navoid leak."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/tcpm/tcpci.c"
                    ],
                    "versions": [
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "4f257e2eba419ab4cd880c822346450e4e7b2af3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "d3b6c28a71f111a6c67ddc3238aab95910fd86cf",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "ba75be6f0d9d028d20852564206565a4c03e3288",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "e75a324409715bd71348f79a49aa61b69dbeb676",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "5f125507d2270035dfcf83fbff6cff5a143e200c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "5e85a04c8c0d271d7561a770b85741f186398868",
                            "lessThan": "0384e87e3fec735e47f1c133c796f32ef7a72a9b",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/usb/typec/tcpm/tcpci.c"
                    ],
                    "versions": [
                        {
                            "version": "4.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.229",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.163",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.86",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.0.16",
                            "lessThanOrEqual": "6.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.2",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
                        {
                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.4.229"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.10.163"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.19",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/4f257e2eba419ab4cd880c822346450e4e7b2af3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d3b6c28a71f111a6c67ddc3238aab95910fd86cf"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ba75be6f0d9d028d20852564206565a4c03e3288"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e75a324409715bd71348f79a49aa61b69dbeb676"
                },
                {
                    "url": "https://git.kernel.org/stable/c/5f125507d2270035dfcf83fbff6cff5a143e200c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0384e87e3fec735e47f1c133c796f32ef7a72a9b"
                }
            ],
            "title": "usb: typec: tcpci: fix of node refcount leak in tcpci_register_port()",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        }
    }
}