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SubjectRe: immutable flag on ext2fs

On Tue, 22 Jun 1999, Domas Mituzas wrote:

...

> So even root will not be able to remove immutable flags with this kernel.
> Or there are more funny things... adding right here CAP_NET_RAW will
> disable ability to run sniffers (and sending ping).

Root can remove the immutable flag indirectly with any of the following
capabilities and/or write accesses

1) CAP_RAW_IO
2) CAP_MODULE
3) write permission to the raw block device

> /* Allow ptrace() of any process */
> #define CAP_SYS_PTRACE 19
>
> huh, noone will able to trace processes.

No. No-one will be able to trace processes they don't own.

Chris


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