linux-kernel - Re: [PATCH v2] misc: fastrpc: restrict user apps from sending kernel RPC messages

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: <YCeM+0JUEPQQkGsF@kroah.com>
Date:   Sat, 13 Feb 2021 09:25:31 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Jonathan Marek <jonathan@...ek.ca>, stable@...r.kernel.org
Subject: Re: [PATCH v2] misc: fastrpc: restrict user apps from sending kernel
 RPC messages

On Fri, Feb 12, 2021 at 10:26:58PM +0300, Dmitry Baryshkov wrote:
> Verify that user applications are not using the kernel RPC message
> handle to restrict them from directly attaching to guest OS on the
> remote subsystem. This is a port of CVE-2019-2308 fix.

A port of the fix of what to what?

Is this to go only into a stable tree (if so what ones and what is the
id in Linus's tree), or is it to go into Linus's tree like normal (if so
how can this be a port)?

thanks,

greg k-h