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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