CVE-2026-64220
device property: set fwnode->secondary to NULL in fwnode_init()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: device property: set fwnode->secondary to NULL 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 uninitalized 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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 24, 2026 |
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Affected Versions
Linux / Linux
01bb86b380a306bd937c96da36f66429f3362137 < f0e211d6539fae800217c10797993b7592d6ab01 01bb86b380a306bd937c96da36f66429f3362137 < 3f1024deeab3b5443c29b3de4fe475e87309b8fa 01bb86b380a306bd937c96da36f66429f3362137 < 371f53925a6714d0aa35f1aefdffc3e8cd62f480 01bb86b380a306bd937c96da36f66429f3362137 < 34bf74b1fd2e4a44e27821a329204caf09df2976 01bb86b380a306bd937c96da36f66429f3362137 < 508fd8ab158abd04b7f7d0f707cd6d6c405df4ea 01bb86b380a306bd937c96da36f66429f3362137 < f59e686c778cb41b8f7aa8fab2afd6a01afb3d47 01bb86b380a306bd937c96da36f66429f3362137 < 215c90ee656114f5e8c32408228d97082f8e0eef
Linux / Linux
5.11
References
git.kernel.org: https://git.kernel.org/stable/c/f0e211d6539fae800217c10797993b7592d6ab01 git.kernel.org: https://git.kernel.org/stable/c/3f1024deeab3b5443c29b3de4fe475e87309b8fa git.kernel.org: https://git.kernel.org/stable/c/371f53925a6714d0aa35f1aefdffc3e8cd62f480 git.kernel.org: https://git.kernel.org/stable/c/34bf74b1fd2e4a44e27821a329204caf09df2976 git.kernel.org: https://git.kernel.org/stable/c/508fd8ab158abd04b7f7d0f707cd6d6c405df4ea git.kernel.org: https://git.kernel.org/stable/c/f59e686c778cb41b8f7aa8fab2afd6a01afb3d47 git.kernel.org: https://git.kernel.org/stable/c/215c90ee656114f5e8c32408228d97082f8e0eef