From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Gao Xiang <hsiangkao@linux.alibaba.com>
Cc: cve@kernel.org, linux-kernel@vger.kernel.org,
linux-cve-announce@vger.kernel.org
Subject: Re: CVE-2023-53027: erofs: fix kvcalloc() misuse with __GFP_NOFAIL
Date: Fri, 28 Mar 2025 07:53:43 +0100 [thread overview]
Message-ID: <2025032816-compress-balcony-e6f7@gregkh> (raw)
In-Reply-To: <7e5c7a5e-8853-4a9d-983d-b51cb416e078@linux.alibaba.com>
On Fri, Mar 28, 2025 at 02:43:04PM +0800, Gao Xiang wrote:
> Hi,
>
> On 2025/3/28 00:44, Greg Kroah-Hartman wrote:
> > Description
> > ===========
> >
> > In the Linux kernel, the following vulnerability has been resolved:
> >
> > erofs: fix kvcalloc() misuse with __GFP_NOFAIL
> >
> > As reported by syzbot [1], kvcalloc() cannot work with __GFP_NOFAIL.
> > Let's use kcalloc() instead.
> >
> > [1] https://lore.kernel.org/r/0000000000007796bd05f1852ec2@google.com
> >
> > The Linux kernel CVE team has assigned CVE-2023-53027 to this issue.
>
> I think this CVE is invalid since it was then reverted by
> upstream commit 647dd2c3f0e1 ("erofs: Revert "erofs: fix kvcalloc()
> misuse with __GFP_NOFAIL"")
>
> since it's not the correct way to fix this.
Ah, that commit was not in the "normal" revert style, which is why we
didn't notice that.
I've now rejected this CVE id, thanks for letting us know!
greg k-h
next prev parent reply other threads:[~2025-03-28 6:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2025032719-CVE-2023-53027-dc56@gregkh>
2025-03-28 6:43 ` Gao Xiang
2025-03-28 6:53 ` Greg Kroah-Hartman [this message]
2025-03-28 6:55 ` Gao Xiang
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=2025032816-compress-balcony-e6f7@gregkh \
--to=gregkh@linuxfoundation.org \
--cc=cve@kernel.org \
--cc=hsiangkao@linux.alibaba.com \
--cc=linux-cve-announce@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®