Messages in this thread |  | | From | kuznet@ms2 ... | Subject | Re: Local root exploit with kmod and modutils > 2.1.121 | Date | Thu, 16 Nov 2000 20:05:05 +0300 (MSK) |
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Hello!
> > 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.
It checks CAP_SYS_MODULE nowadays.
Which does not look good by the way, it is function of request_module(), rather than of caller.
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