From: Greg KH <greg@kroah.com>
To: Ben Hutchings <ben@decadent.org.uk>
Cc: Dave Jiang <dave.jiang@intel.com>,
Jinjie Ruan <ruanjinjie@huawei.com>,
cve@kernel.org, ntb@lists.linux.dev
Subject: Re: CVE-2023-52917: ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
Date: Mon, 3 Mar 2025 09:11:09 +0100 [thread overview]
Message-ID: <2025030302-schematic-deepness-6259@gregkh> (raw)
In-Reply-To: <2a7a7b63272bb7e316560937c2398cff9d046ab7.camel@decadent.org.uk>
On Sun, Mar 02, 2025 at 06:18:21PM +0100, Ben Hutchings wrote:
> Hi all,
>
> CVE-2023-52917 is supposed to be fixed by commit e229897d373a "ntb:
> intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()", but I
> think this assignment should be rejected.
>
> While it's usually a bug to use an error-pointer as a function argument,
> and such bugs may be exploitable for denial-of-service, the debugfs file
> creation functions are specifically intended to accept an error-pointer
> as a parent pointer and they do nothing in that case. Therefore there
> was no security flaw to be fixed.
Now rejected, thanks.
greg k-h
next prev parent reply other threads:[~2025-03-03 8:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-02 17:18 CVE-2023-52917: ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir() Ben Hutchings
2025-03-03 8:11 ` Greg KH [this message]
-- strict thread matches above, loose matches on Subject: below --
2024-10-21 12:16 Greg Kroah-Hartman
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=2025030302-schematic-deepness-6259@gregkh \
--to=greg@kroah.com \
--cc=ben@decadent.org.uk \
--cc=cve@kernel.org \
--cc=dave.jiang@intel.com \
--cc=ntb@lists.linux.dev \
--cc=ruanjinjie@huawei.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.