Description
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 ]
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
01bb86b380a306bd937c96da36f66429f3362137 to < 0198d579948322cda5178b9672d448375a32f947affected01bb86b380a306bd937c96da36f66429f3362137 to < 173b61c9276c7b3a5fbcc63ae7aafc897fee1e18affected01bb86b380a306bd937c96da36f66429f3362137 to < f0b4e1cc8ad76baf49d898727eb52e91a4ef0544affected01bb86b380a306bd937c96da36f66429f3362137 to < c8542b68ba6ef4f61072098893a3f5b71c569b6caffected01bb86b380a306bd937c96da36f66429f3362137 to < 9c86a1f930bb2ddb85f867b4736716e82a4a4683affected01bb86b380a306bd937c96da36f66429f3362137 to < c81e2af41de6a159837c7129a4fc444ac6e48046affected01bb86b380a306bd937c96da36f66429f3362137 to < 7eba000621fff223dd7bab484d48918c7c77a307affected
Linux Linux
Default version status: affected
5.11affected0 to < 5.11unaffected5.15.212 to ≤ 5.15.*unaffected6.1.178 to ≤ 6.1.*unaffected6.6.145 to ≤ 6.6.*unaffected6.12.96 to ≤ 6.12.*unaffected6.18.39 to ≤ 6.18.*unaffected7.1.5 to ≤ 7.1.*unaffected7.2 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/0198d579948322cda5178b9672d448375a32f947 ↗
- https://git.kernel.org/stable/c/173b61c9276c7b3a5fbcc63ae7aafc897fee1e18 ↗
- https://git.kernel.org/stable/c/f0b4e1cc8ad76baf49d898727eb52e91a4ef0544 ↗
- https://git.kernel.org/stable/c/c8542b68ba6ef4f61072098893a3f5b71c569b6c ↗
- https://git.kernel.org/stable/c/9c86a1f930bb2ddb85f867b4736716e82a4a4683 ↗
- https://git.kernel.org/stable/c/c81e2af41de6a159837c7129a4fc444ac6e48046 ↗
- https://git.kernel.org/stable/c/7eba000621fff223dd7bab484d48918c7c77a307 ↗