Re: CVE-2024-49967: ext4: no need to continue when the number of entries is 1

From: Theodore Ts'o
Date: Mon Jan 06 2025 - 13:09:35 EST


It looks like this CVE hasn't been revoked yet, at least per
nvd.nist.gov? Is that the best way to check kernel CVE's status?

Thanks,
- Ted


On Tue, Dec 10, 2024 at 06:08:46AM +0000, Siddh Raman Pant wrote:
> On Mon, Dec 09 2024 at 21:56:23 +0530, Theodore Ts'o wrote:
> > On Mon, Dec 09, 2024 at 02:08:02PM +0100, gregkh@xxxxxxxxxxxxxxxxxxx wrote:
> > > Ok, so should it be revoked?
>
> Yes, as this was an incorrect attempt at fixing CVE-2024-42305.
>
> > We're not aware of a way of triggering the OOB error, so in that sense
> > the CVE is not valid. There might be a way that someone might be able
> > to trigger it in the future; in that hypothetical future, there might
> > be some other fix that would address the root cause, but this would be
> > a belt and suspenders thing that might prevent that (hypothetical)
> > future. So in that sense, it is highly commended that enterprise
> > distros and people who are not following the LTS kernels take this
> > patch. But is it actually fixing a known vulnerability today? Not
> > that we know of.
> >
> > Cheers,
> >
> > - Ted
> >
> > P.S. If some security researcher wants to find such a way, to educate
> > people on why using LTS kernels is superior, they should feel free to
> > consider this a challenge. :-P
>
> I agree.
>
> Thanks,
> Siddh