[PATCH] riscv: process: fix kernel info leakage
Palmer Dabbelt
palmer at rivosinc.com
Thu Nov 10 14:45:43 PST 2022
On Sat, 29 Oct 2022 19:34:50 +0800, Jisheng Zhang wrote:
> thread_struct's s[12] may contain random kernel memory content, which
> may be finally leaked to userspace. This is a security hole. Fix it
> by clearing the s[12] array in thread_struct when fork.
>
> As for kthread case, it's better to clear the s[12] array as well.
>
>
> [...]
Applied, thanks!
[1/1] riscv: process: fix kernel info leakage
https://git.kernel.org/palmer/c/6510c78490c4
Best regards,
--
Palmer Dabbelt <palmer at rivosinc.com>
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