From: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>
To: Siddh Raman Pant <siddh.raman.pant@oracle.com>
Cc: "cve@kernel.org" <cve@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: CVE-2024-42308: drm/amd/display: Check for NULL pointer
Date: Wed, 9 Oct 2024 15:56:40 +0200 [thread overview]
Message-ID: <2024100917-launder-hamper-723b@gregkh> (raw)
In-Reply-To: <2fc2ba4addfbe40f7de3a5dfb146a3bdd3fc3edf.camel@oracle.com>
On Mon, Oct 07, 2024 at 11:01:59AM +0000, Siddh Raman Pant wrote:
> On Sat, 17 Aug 2024 11:10:13 +0200, Greg Kroah-Hartman wrote:
> > In the Linux kernel, the following vulnerability has been resolved:
> >
> > drm/amd/display: Check for NULL pointer
> >
> > [why & how]
> > Need to make sure plane_state is initialized
> > before accessing its members.
> >
> > (cherry picked from commit 295d91cbc700651782a60572f83c24861607b648)
> >
> > The Linux kernel CVE team has assigned CVE-2024-42308 to this issue.
>
> This commit is no-op / doesn't make any difference, as there is an
> implicit NULL check rigth above it, as plane_state cannot be NULL
> (checked at the start of function).
>
> So this CVE should be invalid.
Yeah, tricky code, I see why the static tools got this wrong. I'll go
invalidate this now, thanks for the report!
greg k-h
prev parent reply other threads:[~2024-10-09 13:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2024081751-CVE-2024-42308-562d@gregkh>
2024-10-07 11:01 ` CVE-2024-42308: drm/amd/display: Check for NULL pointer Siddh Raman Pant
2024-10-09 13:56 ` gregkh [this message]
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