Re: Local root exploit with kmod and modutils > 2.1.121

[Alan Cox]

> request_module has the same effect as running suid.  dev_load() can
> take the interface name and pass it to modprobe unchanged and modprobe
> does not verify its input, it trusts root/kernel.

Then dev_load is being called the wrong way. In older kernels we explicitly
only did a dev_load with user passed names providing suser() was true.

Alan

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