Messages in this thread | | | Date | Mon, 16 Mar 2020 13:58:24 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] x86/module: Fixed bug allowing invalid relocation addresses. |
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On Sat, Mar 14, 2020 at 11:36:26PM +0200, Gilad Wharton Kleinman wrote: > If a kernel module with a bad relocation offset is loaded to a x86 kernel, > the kernel will apply the relocation to a address not inside the module > (resulting in memory in the kernel being overridden).
Why !?
If you load a bad module it's game over anyway. At best this protects us from broken toolchains.
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