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Date: Tue, 8 Dec 2020 08:38:01 +0100
From: Marcus Meissner <meissner@...e.de>
To: oss-security@...ts.openwall.com
Cc: John Haxby <john.haxby@...cle.com>
Subject: Re: Linux kernel NULL-ptr deref bug in
spk_ttyio_receive_buf2
Hi,
CVE-2020-27830 was assigned on linux-distros by Redhat.
(It might be good to keep discussions on oss-security after publication to avoid parallel threads.)
Ciao, Marcus
On Mon, Dec 07, 2020 at 07:02:02PM +0800, - Nop wrote:
> Hi,
>
> yes, we asked for a CVE in the original email sent to
> linux-distros@...openwall.org.
>
> Thanks,
> Bodong Zhao
>
> On Mon, Dec 7, 2020 at 6:23 PM John Haxby <john.haxby@...cle.com> wrote:
>
> >
> >
> > > On 7 Dec 2020, at 02:20, Shisong Qin <qinshisong1205@...il.com> wrote:
> > >
> > > Recently we found another NULL-ptr deref BUG in spk_ttyio.c in the latest
> > > Linux kernel(5.9.11 is the latest at that now). In the
> > > spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth
> > > without checking whether it is NULL or not, and may lead to a NULL-ptr
> > > deref crash.
> >
> > Did you ask for a CVE for bug?
> >
> > jch
> >
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