{"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"}}}}

{}

{}

{}

{}