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Change History

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

ice: fix double free in ice_sf_eth_activate() error path

When auxiliary_device_add() fails, ice_sf_eth_activate() jumps to
aux_dev_uninit and calls auxiliary_device_uninit(&sf_dev->adev).

The device release callback ice_sf_dev_release() frees sf_dev, but
the current error path falls through to sf_dev_free and calls
kfree(sf_dev) again, causing a double free.

Keep kfree(sf_dev) for the auxiliary_device_init() failure path, but
avoid falling through to sf_dev_free after auxiliary_device_uninit().

https://git.kernel.org/stable/c/121d1f253aed515cd85748f68c664a6cb756e8ad

https://git.kernel.org/stable/c/2ca30340b5028ddc3f17086a538feeff06167b1b

https://git.kernel.org/stable/c/9aab1c3d7299285e2569cbc0ed5892d631a241b2

https://git.kernel.org/stable/c/d0c6a4816609f145ffcc74e64baa214c571c17c6