mremap patches for 2.4 and 2.2?

[Ville Herva]

On Thu, Feb 19, 2004 at 09:56:36AM -0800, you [Chris Wright] wrote:
> * Nur Hussein (obiwan@xxxxxxxxxxxxxxxx) wrote:
> > However, I am still intrigued by this fix:
> > 
> > http://linux.bkbits.net:8080/linux-2.4/diffs/mm/mremap.c@xxx?nav=cset@1.1136.94.4
> > 
> > It does not seem to be in 2.6.3. I can only assume 2.6.x does not
> > require it? The Changeset says it is to prevent a potential exploit by
> > the malicious use of mremap().
> 
> It's fixed in 2.6 as well.
> 
> http://linux.bkbits.net:8080/linux-2.5/diffs/mm/mremap.c@xxxx?nav=index.html|src/|src/mm|hist/mm/mremap.c

Are these the sole patches one should apply for this vulnerability if
patching an older 2.4 or 2.6?

Is there a patch for 2.2 somewhere?


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