[Patch] kexec_load: check CAP_SYS_MODULE

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? 2011?01?09? 10:09, Eric W. Biederman ??:
>
> We aren't dealing with modules I think CAP_SYS_MODULE is totally
> irrelevant in the context of kexec.


Yeah, although I don't really understand CAP_SYS_MODULE, but it
really confused me to add it to kexec_load() from its name.

>
> I think to accomplish what you want we either need a way to disable
> sys_kexec_load or possibly a new very targeted capability bit.
>
> You are making it so that giving someone CAP_SYS_MODULE is giving more
> than the ability to load kernel modules.  Which seems non-intuitive from
> a system management point of view.
>

How about CAP_SYS_KEXEC?

Thanks.



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