CVE-2026-68461High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: device property: initialize the remaining fields of fwnode_handle in fwnode_init() If a firmware node is allocated on the stack (for instance: temporary software node …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
device property: initialize the remaining fields of fwnode_handle in fwnode_init()
If a firmware node is allocated on the stack (for instance: temporary software node whose life-time we control) or on the heap - but using a non-zeroing allocation function - and initialized using fwnode_init(), its secondary pointer will contain uninitialized memory which likely will be neither NULL nor IS_ERR() and so may end up being dereferenced (for example: in dev_to_swnode()). Set fwnode->secondary to NULL on initialization. While at it: initialize the remaining fields of struct fwnode_handle too just to be sure.
[ Fix typo in commit message. - Danilo ]
Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < 0198d579948322cda5178b9672d448375a32f947Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < 173b61c9276c7b3a5fbcc63ae7aafc897fee1e18Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < f0b4e1cc8ad76baf49d898727eb52e91a4ef0544Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < c8542b68ba6ef4f61072098893a3f5b71c569b6cLinux >= 01bb86b380a306bd937c96da36f66429f3362137 < 9c86a1f930bb2ddb85f867b4736716e82a4a4683Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < c81e2af41de6a159837c7129a4fc444ac6e48046Linux >= 01bb86b380a306bd937c96da36f66429f3362137 < 7eba000621fff223dd7bab484d48918c7c77a307Linux 5.11Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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