Re: [PATCH] sysctl: fix write access to dmesg_restrict/kptr_restrict

[Richard Weinberger]

On 04.04.2012 20:40, Kees Cook wrote:
> Commit bfdc0b4 adds code to restrict access to dmesg_restrict,
> however, it incorrectly alters kptr_restrict rather than
> dmesg_restrict.
>
> The original patch from Richard Weinberger
> (https://lkml.org/lkml/2011/3/14/362) alters dmesg_restrict as
> expected, and so the patch seems to have been misapplied.
>
> This adds the CAP_SYS_ADMIN check to both dmesg_restrict and
> kptr_restrict, since both are sensitive.
>
> Reported-by: Phillip Lougher<plougher@xxxxxxxxxx>
> Signed-off-by: Kees Cook<keescook@xxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Acked-by: Richard Weinberger <richard@xxxxxx>

Thanks,
//richard
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