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Message-ID: <CA+-U7QAbjc5H+0TD_ZAOgod57N9XU8YRoAB=kxJKE1GLr3F5HA@mail.gmail.com>
Date: Tue, 8 Dec 2020 15:30:30 +0800
From: - Nop <nopitydays@...il.com>
To: John Haxby <john.haxby@...cle.com>
Cc: oss-security@...ts.openwall.com
Subject: Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2
Hi,
CVE-2020-27830 has been assigned to this issue.
Regards,
Bodong
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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