Thread (2 messages) flat view 2 messages, 2 authors, 2021-11-02

Re: [PATCH] powerpc: Mark .opd section read-only

From: Michael Ellerman <hidden>
Date: 2021-11-02 11:38:45
Also in: lkml

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
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