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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