netdev - Re: [ROSE] [AX25] 6.15.10 long term stable kernel oops

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CANn89iLY-Mb8k2wobFAfvCnzizJiv535DG_gBkxDtPAMJ6_s9Q@mail.gmail.com>
Date: Mon, 1 Sep 2025 12:16:35 -0700
From: Eric Dumazet <edumazet@...gle.com>
To: David Ranch <linux-hams@...nnet.net>
Cc: F6BVP <f6bvp@...e.fr>, Paolo Abeni <pabeni@...hat.com>, 
	Dan Carpenter <dan.carpenter@...aro.org>, linux-hams@...r.kernel.org, 
	netdev <netdev@...r.kernel.org>, Dan Cross <crossd@...il.com>, 
	Folkert van Heusden <folkert@...heusden.com>, Florian Westphal <fw@...len.de>
Subject: Re: [ROSE] [AX25] 6.15.10 long term stable kernel oops

On Mon, Sep 1, 2025 at 12:10 PM David Ranch <linux-hams@...nnet.net> wrote:
>
>
> > Keep calm, I am just saying that the bisection pointed to a fine commit,
> > but it took a _lot_ of time to root-cause the issue.
> >
> > And the bug is in ax25, not in Paolo patch.
> >
> > Please test the fix, and thank me for actually working on a fix, while
> > I have more urgent work on my plate.
>
> Much appreciated for your work on this patch but I'm curious, is the
> core issue here on this other committer's patch or just weaknesses in
> the original AX.25 stack code?

Plain day-0 bug in ax25 code.

It was probably not working well with packet capture (tcpdump), with
possibly silent corruptions.

The kind of bugs that can be exploited by malicious actors.