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Change History

In the Linux kernel, the following vulnerability has been resolved:

bnge: return after auxiliary_device_uninit() in error path

When auxiliary_device_add() fails, the error block calls
auxiliary_device_uninit() but does not return.  The uninit drops the
last reference and synchronously runs bnge_aux_dev_release(), which sets
bd->auxr_dev = NULL and frees the underlying object.  The subsequent
bd->auxr_dev->net = bd->netdev then dereferences NULL, which is not a
good thing to have happen when trying to clean up from an error.

Add the missing return, as the auxiliary bus documentation states is a
requirement (seems that LLM tools read documentation better than humans
do...)

https://git.kernel.org/stable/c/38c383ec6d37f4b5597f8e6a1f5c2ab31ea01d3a

https://git.kernel.org/stable/c/87bc3557c708110d83086bf091328271298a44e3