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Change History

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

drm/nouveau: fix nvkm_device leak on aperture removal failure

When aperture_remove_conflicting_pci_devices() fails during probe, the
error path returns directly without unwinding the nvkm_device that was
just allocated by nvkm_device_pci_new(). This leaks both the device
wrapper and the pci_enable_device() reference taken inside it.

Jump to the existing fail_nvkm label so nvkm_device_del() runs and
balances both. The leak was introduced when the intermediate
nvkm_device_del() between detection and aperture removal was dropped
in favor of creating the pci device once.

https://git.kernel.org/stable/c/4404d7d2dda4f3cc84a8fb6ac5417a2afc3b22d6

https://git.kernel.org/stable/c/5edd564ccb002ffc830e7818c1c4a992db774678

https://git.kernel.org/stable/c/6597ff1d8de3f583be169587efeafd8af134e138

https://git.kernel.org/stable/c/843c0247cf21364e33bb5a8ffc9af57107d04d05