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: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-17 9:10 CVE-2024-42308: drm/amd/display: Check for NULL pointer Greg Kroah-Hartman
2024-10-07 11:01 ` Siddh Raman Pant
2024-10-09 13:56 ` gregkh [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2024100917-launder-hamper-723b@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=cve@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=siddh.raman.pant@oracle.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.