netdev - Re: [PATCH net] r8169: fix issue caused by buggy BIOS on certain boards with RTL8168d

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: Tue, 2 Apr 2024 09:31:11 +0100
From: Simon Horman <horms@...nel.org>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Realtek linux nic maintainers <nic_swsd@...ltek.com>,
	Paolo Abeni <pabeni@...hat.com>, David Miller <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] r8169: fix issue caused by buggy BIOS on certain
 boards with RTL8168d

On Sat, Mar 30, 2024 at 12:49:02PM +0100, Heiner Kallweit wrote:
> On some boards with this chip version the BIOS is buggy and misses
> to reset the PHY page selector. This results in the PHY ID read
> accessing registers on a different page, returning a more or
> less random value. Fix this by resetting the page selector first.
> 
> Fixes: f1e911d5d0df ("r8169: add basic phylib support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>

Reviewed-by: Simon Horman <horms@...nel.org>