{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2022-49668",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2025-02-26T02:21:30.436Z",
        "datePublished": "2025-02-26T02:24:02.662Z",
        "dateUpdated": "2026-05-11T19:04:22.983Z"
    },
    "containers": {
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                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-05-11T19:04:22.983Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when done.\nThis function only calls of_node_put() in normal path,\nmissing it in error paths.\nAdd missing of_node_put() to avoid refcount leak."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/devfreq/event/exynos-ppmu.c"
                    ],
                    "versions": [
                        {
                            "version": "f262f28c147051e7aa6daaf4fb5996833ffadff4",
                            "lessThan": "bdecd912e99acfd61507f1720d3f4eed1b3418d8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f262f28c147051e7aa6daaf4fb5996833ffadff4",
                            "lessThan": "e65027fdebbacd40595e96ef7b5d2418f71bddf2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f262f28c147051e7aa6daaf4fb5996833ffadff4",
                            "lessThan": "01121e39ef537289926ae6f5374dce92c796d863",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f262f28c147051e7aa6daaf4fb5996833ffadff4",
                            "lessThan": "194781229d4cbc804b8ded13156eb8addce87d6c",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f262f28c147051e7aa6daaf4fb5996833ffadff4",
                            "lessThan": "f44b799603a9b5d2e375b0b2d54dd0b791eddfc2",
                            "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/devfreq/event/exynos-ppmu.c"
                    ],
                    "versions": [
                        {
                            "version": "4.0",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.0",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.4.204",
                            "lessThanOrEqual": "5.4.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.129",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.53",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.18.10",
                            "lessThanOrEqual": "5.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.19",
                            "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": "4.0",
                                    "versionEndExcluding": "5.4.204"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.10.129"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.15.53"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.18.10"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "4.0",
                                    "versionEndExcluding": "5.19"
                                }
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/bdecd912e99acfd61507f1720d3f4eed1b3418d8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e65027fdebbacd40595e96ef7b5d2418f71bddf2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/01121e39ef537289926ae6f5374dce92c796d863"
                },
                {
                    "url": "https://git.kernel.org/stable/c/194781229d4cbc804b8ded13156eb8addce87d6c"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f44b799603a9b5d2e375b0b2d54dd0b791eddfc2"
                }
            ],
            "title": "PM / devfreq: exynos-ppmu: Fix refcount leak in of_get_devfreq_events",
            "x_generator": {
                "engine": "bippy-1.2.0"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 5.5,
                            "attackVector": "LOCAL",
                            "baseSeverity": "MEDIUM",
                            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                            "integrityImpact": "NONE",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "LOW",
                            "confidentialityImpact": "NONE"
                        }
                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2022-49668",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "version": "2.0.3",
                                "timestamp": "2025-10-01T19:33:24.960757Z"
                            }
                        }
                    }
                ],
                "problemTypes": [
                    {
                        "descriptions": [
                            {
                                "lang": "en",
                                "type": "CWE",
                                "description": "CWE-noinfo Not enough information"
                            }
                        ]
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-10-01T19:36:47.714Z"
                }
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        ]
    }
}