{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-64220",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-07-19T15:36:31.770Z",
        "datePublished": "2026-07-24T15:23:06.931Z",
        "dateUpdated": "2026-07-24T15:23:06.931Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-07-24T15:23:06.931Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndevice property: set fwnode->secondary to NULL in fwnode_init()\n\nIf a firmware node is allocated on the stack (for instance: temporary\nsoftware node whose life-time we control) or on the heap - but using a\nnon-zeroing allocation function - and initialized using fwnode_init(),\nits secondary pointer will contain uninitalized memory which likely will\nbe neither NULL nor IS_ERR() and so may end up being dereferenced (for\nexample: in dev_to_swnode()). Set fwnode->secondary to NULL on\ninitialization."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/fwnode.h"
                    ],
                    "versions": [
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "f0e211d6539fae800217c10797993b7592d6ab01",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "3f1024deeab3b5443c29b3de4fe475e87309b8fa",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "371f53925a6714d0aa35f1aefdffc3e8cd62f480",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "34bf74b1fd2e4a44e27821a329204caf09df2976",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "508fd8ab158abd04b7f7d0f707cd6d6c405df4ea",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "f59e686c778cb41b8f7aa8fab2afd6a01afb3d47",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "01bb86b380a306bd937c96da36f66429f3362137",
                            "lessThan": "215c90ee656114f5e8c32408228d97082f8e0eef",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "include/linux/fwnode.h"
                    ],
                    "versions": [
                        {
                            "version": "5.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.142",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.92",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.34",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.11",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "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": "5.11",
                                    "versionEndExcluding": "5.15.209"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.1.175"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.6.142"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.12.92"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "6.18.34"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "7.0.11"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "5.11",
                                    "versionEndExcluding": "7.1"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/f0e211d6539fae800217c10797993b7592d6ab01"
                },
                {
                    "url": "https://git.kernel.org/stable/c/3f1024deeab3b5443c29b3de4fe475e87309b8fa"
                },
                {
                    "url": "https://git.kernel.org/stable/c/371f53925a6714d0aa35f1aefdffc3e8cd62f480"
                },
                {
                    "url": "https://git.kernel.org/stable/c/34bf74b1fd2e4a44e27821a329204caf09df2976"
                },
                {
                    "url": "https://git.kernel.org/stable/c/508fd8ab158abd04b7f7d0f707cd6d6c405df4ea"
                },
                {
                    "url": "https://git.kernel.org/stable/c/f59e686c778cb41b8f7aa8fab2afd6a01afb3d47"
                },
                {
                    "url": "https://git.kernel.org/stable/c/215c90ee656114f5e8c32408228d97082f8e0eef"
                }
            ],
            "title": "device property: set fwnode->secondary to NULL in fwnode_init()",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        }
    }
}