From: Paulo Alcantara <pc@manguebit.com>
To: Salvatore Bonaccorso <carnil@debian.org>,
Steve French <sfrench@samba.org>,
Ronnie Sahlberg <lsahlber@redhat.com>,
Shyam Prasad N <sprasad@microsoft.com>,
Tom Talpey <tom@talpey.com>, Ben Hutchings <benh@debian.org>
Cc: linux-cifs@vger.kernel.org, samba-technical@lists.samba.org,
linux-kernel@vger.kernel.org
Subject: Re: Information on use-after-free in smb2_is_status_io_timeout()?
Date: Fri, 05 Jan 2024 11:04:43 -0300 [thread overview]
Message-ID: <1d2bb04665d19a4722a0b9f7f552cab3@manguebit.com> (raw)
In-Reply-To: <ZZgFEX3QNWWj_VxA@eldamar.lan>
Salvatore Bonaccorso <carnil@debian.org> writes:
> There is a Red Hat bugzilla report in
> https://bugzilla.redhat.com/show_bug.cgi?id=2154178 about a
> use-after-free in smb2_is_status_io_timeout() . While the commit noted
> initially there seems not correct, Ben Hutchings raised a question on
> more information in
> https://bugzilla.redhat.com/show_bug.cgi?id=2154178#c24 .
>
> (there is a CVE assigned for it, CVE-2023-1192)
That is supposed to be fixed by
d527f51331ca ("cifs: Fix UAF in cifs_demultiplex_thread()")
While the commit refers to an UAF in ->is_network_name_deleted(), this
should also work for smb2_is_status_io_timeout(), AFAICT.
next prev parent reply other threads:[~2024-01-05 14:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-05 13:33 Information on use-after-free in smb2_is_status_io_timeout()? Salvatore Bonaccorso
2024-01-05 14:04 ` Paulo Alcantara [this message]
2024-01-05 18:14 ` Ben Hutchings
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