Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc: Mark .opd section read-only | Date | Tue, 02 Nov 2021 21:11:30 +1100 |
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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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