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

KVM: Move kvm_io_bus_get_dev() locking responsibilities to callers

kvm_io_bus_get_dev() returns a device that is only matched by the
address, and nothing else. This can cause a lifetime issue if
the matched device is not the expected type, as by the time
the caller can introspect the object, it might be gone (the srcu
lock having been dropped).

Given that there is only a single user of this helper, the simplest
option is to move the locking responsibility to the caller, which
can keep the srcu lock held for as long as it wants.

Note that this aligns with other kvm_io_bus*() helpers, which
already require the srcu lock to be held by the callers.

https://git.kernel.org/stable/c/0cbae0e296d27ce4c4cce83e34d40c2bfd8133aa

https://git.kernel.org/stable/c/1b4a3c2f0509e7b0e65667f3c36676a849ee2755

https://git.kernel.org/stable/c/3a07249981629ace483ebbef81ef6b34c2d2afec

https://git.kernel.org/stable/c/7099e7148f81c605bbc319b16ce0131540341560

https://git.kernel.org/stable/c/90d35d2b8e47afd68fe2a4dd0eeb60bc71641775

https://git.kernel.org/stable/c/cfe107b02a3c3f049e0dc15b6a36625f048eda2a

https://git.kernel.org/stable/c/e01071ea006c9b952125ed8b0cc90ac7bd356cce

https://git.kernel.org/stable/c/f398b7d92cd999191249830b9171c9bd787a9a91

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