Re: [kernel-hardening] Re: 2015 kernel CVEs

From: Marcus Meissner
Date: Wed Jan 20 2016 - 02:12:21 EST


On Tue, Jan 19, 2016 at 09:51:54AM -0800, Greg KH wrote:
> On Tue, Jan 19, 2016 at 12:00:57PM -0500, Josh Boyer wrote:
> > On Tue, Jan 19, 2016 at 11:57 AM, Peter Hurley <peter@xxxxxxxxxxxxxxxxxx> wrote:
> > > On 01/19/2016 03:28 AM, Dan Carpenter wrote:
> > >> I like to look back over old CVEs to see how we could do better. Here
> > >> is the list from 2015. I got most of this information from the Ubuntu
> > >> CVE tracker. Thanks Ubuntu!. If it doesn't have a hash that means it
> > >> might not be fixed yet.
> > >
> > > [...]
> > >
> > >> CVE-2015-4170 cf872776fc84: tty: hang in tty
> > >
> > > Makes no sense that this was assigned a CVE.
> > > I fixed this _2 yrs before_ it was reported and the patch was CC'd stable.
> >
> > I'm guessing the CVE was assigned because there are distributions that
> > ship based on kernels earlier than 3.13. Those distributors need to
> > verify if they have the fix, etc.
>
> Yes, that's what happened here, Red Hat asked for it from what I
> remember. I complained loudly on the oss-security list about it, but oh
> well...

The question for CVE assignment is more if this bug existed in shipped kernel releases, not
when it was fixed in relation to assignment.

Ciao, Marcus