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

2021-03-01 Thread Greg Kroah-Hartman
On Mon, Mar 01, 2021 at 08:45:34PM +0300, Dmitry Baryshkov wrote: > On Mon, 1 Mar 2021 at 18:48, Greg Kroah-Hartman > wrote: > > > > On Mon, Mar 01, 2021 at 06:34:10PM +0300, Dmitry Baryshkov wrote: > > > On Sat, 13 Feb 2021 at 11:25, Greg Kroah-Hartman > > > wrote: > > > > > > > > On Fri, Feb 12

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

2021-03-01 Thread Dmitry Baryshkov
On Mon, 1 Mar 2021 at 18:48, Greg Kroah-Hartman wrote: > > On Mon, Mar 01, 2021 at 06:34:10PM +0300, Dmitry Baryshkov wrote: > > On Sat, 13 Feb 2021 at 11:25, Greg Kroah-Hartman > > wrote: > > > > > > On Fri, Feb 12, 2021 at 10:26:58PM +0300, Dmitry Baryshkov wrote: > > > > Verify that user appli

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

2021-03-01 Thread Greg Kroah-Hartman
On Mon, Mar 01, 2021 at 06:34:10PM +0300, Dmitry Baryshkov wrote: > On Sat, 13 Feb 2021 at 11:25, Greg Kroah-Hartman > wrote: > > > > 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

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

2021-03-01 Thread Dmitry Baryshkov
On Sat, 13 Feb 2021 at 11:25, Greg Kroah-Hartman wrote: > > 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

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

2021-02-13 Thread Greg Kroah-Hartman
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? I

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

2021-02-12 Thread Dmitry Baryshkov
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. Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method") Cc: Srinivas Kandagatla Cc: Jon