CVE-2026-68461 (GCVE-0-2026-68461)
Vulnerability from cvelistv5
Published
2026-08-15 05:51
Modified
2026-10-19 21:09
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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 ]
References
Impacted products
Vendor Product Version
Linux Linux Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
Version: 01bb86b380a306bd937c96da36f66429f3362137
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}


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