Re: OT: Linux kernel version in fiber modem

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On Sat, 25 Dec 2021 03:15:50 -0800
Jonathan Ryshpan <jonrysh@xxxxxxxxxxx> wrote:

> On a whim I opened up the:
>    Legal Disclaimer Open Source Licenses
> in the management page for my fiber modem (ATT installed 2021/03/30)
> and discovered that the kernel is rather old:
>    linux kernel - Version 3.4.11
> There are about 163 other open source components, probably most of
> similar ages.
> 
> Is this a security problem?

I would not worry too much about it.  All the equally old stuff in
userspace is a bigger concern.

On the other hand, my ISP already has complete control of my cable
modem; they apply firmware updates and manage the configuration.  All
I can do is log in and view the status report.  The modem is
effectively part of the ISP infrastructure, which is already beyond my
control.

My modem runs in bridge mode and I have a separate router to interface
with the LAN.  This provides a clear demarcation between the ISP and
my LAN.

Jim
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