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SubjectRe: [security]: kernel ioctl()'s [3]

On Fri, 2 Jul 1999, Alan Cox wrote:

> I think its out of the question for 2.2, too much software knows it can
> write to users files as root. You've just broken that unix tradition (quite

The patch _doesn't_ allow normal users to use immutable. I agree such
would be suicide.

The fix is that _IF_ a user has CAP_IMMUTABLE, we restrict their changes
to files they own. Without the patch, a user with CAP_IMMUTABLE can change
flags on any file on the system.

Chris


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