Re: [PATCH] powerpc: Mark .opd section read-only
From: Michael Ellerman
Date: Tue Nov 02 2021 - 07:38:44 EST
On Wed, 13 Oct 2021 16:43:54 +0200, Christophe Leroy wrote:
> .opd section contains function descriptors used to locate
> functions in the kernel. If someone is able to modify a
> function descriptor he will be able to run arbitrary
> kernel function instead of another.
>
> To avoid that, move .opd section inside read-only memory.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc: Mark .opd section read-only
https://git.kernel.org/powerpc/c/3091f5fc5f1df7741ddf326561384e0997eca2a1
cheers