{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-50887",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-12-30T12:35:41.595Z",
        "datePublished": "2025-12-30T12:37:05.505Z",
        "dateUpdated": "2026-05-11T19:27:03.329Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:27:03.329Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nregulator: core: fix unbalanced of node refcount in regulator_dev_lookup()\n\nI got the the following report:\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@62/regulators/exten\n\nIn of_get_regulator(), the node is returned from of_parse_phandle()\nwith refcount incremented, after using it, of_node_put() need be called."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/regulator/core.c"
                    ],
                    "versions": [
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "0e88505ac0a6ae97746bcdbd4b042ee9f20455ae",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "4dfcf5087db9a34a300d6b99009232d4537c3e6a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "3ac888db0f67813d91373a9a61c840f815cd4ec9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "d39937f8de641c44a337cec4a2e5d3e8add20a7d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "f48c474efe05cf9ce5e535b5e0ddd710e963936c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "cda1895f3b7f324ece1614308a815a3994983b97",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "2b93c58adddd98812ad928bbc2063038f3df1ffd",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "2f98469c3141f8e42ba11075a273fb795bbad57f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "69511a452e6dc6b74fe4f3671a51b1b44b9c57e3",
                            "lessThan": "f2b41b748c19962b82709d9f23c6b2b0ce9d2f91",
                            "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/regulator/core.c"
                    ],
                    "versions": [
                        {
                            "version": "3.3",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.3",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.9.337",
                            "lessThanOrEqual": "4.9.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.14.303",
                            "lessThanOrEqual": "4.14.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "4.19.270",
                            "lessThanOrEqual": "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": "3.3",
                                    "versionEndExcluding": "4.9.337"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "4.14.303"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "4.19.270"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "5.4.229"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "5.15.86"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "6.0.16"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "6.1.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.3",
                                    "versionEndExcluding": "6.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/0e88505ac0a6ae97746bcdbd4b042ee9f20455ae"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4dfcf5087db9a34a300d6b99009232d4537c3e6a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3ac888db0f67813d91373a9a61c840f815cd4ec9"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d39937f8de641c44a337cec4a2e5d3e8add20a7d"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f48c474efe05cf9ce5e535b5e0ddd710e963936c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/cda1895f3b7f324ece1614308a815a3994983b97"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2b93c58adddd98812ad928bbc2063038f3df1ffd"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2f98469c3141f8e42ba11075a273fb795bbad57f"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f2b41b748c19962b82709d9f23c6b2b0ce9d2f91"
                }
            ],
            "title": "regulator: core: fix unbalanced of node refcount in regulator_dev_lookup()",
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                "engine": "bippy-1.2.0"
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    }
}