linux-kernel - Re: USB extension (repeater) cable

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]

Date:	Sat, 20 Jan 2007 23:22:24 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Udo van den Heuvel <udovdh@...all.nl>
CC:	linux-kernel@...r.kernel.org, Greg KH <greg@...ah.com>
Subject: Re: USB extension (repeater) cable

Udo van den Heuvel wrote:
> 
>> Actually, what it looks like is even simpler.  The extension cable
>> contains a four-port hub chip (which is the most common commodity chip)
>> and haven't bothered changing the descriptor to tell the computer only
>> one port is actually active.  So only one port can be activated, and the
>> others are stubbed out in some evil way.  In that case, it should be
>> noisy but harmless.
> 
> I will do some more testing then.
> Is there a way to get rid of the messages?

No, but you don't have to care about them.

	-hpa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/