Re: Spectre+Meltdown

2018-11-24 Thread Christian Zigotzky
On 23. Nov 2018, at 19:59, Michal Suchánek wrote: With this summary paper https://arxiv.org/abs/1811.05441 it should be possible to take the manual for your favourite CPU and see which exploitable optimizations it does have, and how are these exploits mitigated. Thanks Michal Hi Michal, Than

Re: Spectre+Meltdown

2018-11-23 Thread Michal Suchánek
On Wed, 10 Jan 2018 18:09:45 -0600 Li Yang wrote: Hello, > On Mon, Jan 8, 2018 at 2:17 AM, Christian Zigotzky > wrote: > > Hi All, > > > > Thanks a lot for your replies. > > > > @NXP developers: Could you please tell us some information? > > We have done some investigation but it is not read

Re: Spectre+Meltdown

2018-01-10 Thread Li Yang
On Mon, Jan 8, 2018 at 2:17 AM, Christian Zigotzky wrote: > Hi All, > > Thanks a lot for your replies. > > @NXP developers: Could you please tell us some information? We have done some investigation but it is not ready to be published yet. You can get more information from your support channel r

Re: Spectre+Meltdown

2018-01-07 Thread Michal Suchanek
On 7 January 2018 at 19:54, Olof Johansson wrote: > On Sun, Jan 7, 2018 at 5:04 AM, Christian Zigotzky > wrote: >> Hello Michael, >> >> Thanks for your reply. We are using P.A. Semi and Freescale CPUs. >> >> @Olof >> Do you have some infos for us? > > I'm low on spare time to experiment and explo

Re: Spectre+Meltdown

2018-01-07 Thread Olof Johansson
On Sun, Jan 7, 2018 at 5:04 AM, Christian Zigotzky wrote: > Hello Michael, > > Thanks for your reply. We are using P.A. Semi and Freescale CPUs. > > @Olof > Do you have some infos for us? I'm low on spare time to experiment and explore what might be exposed or not, and I no longer have any propri

Re: Spectre+Meltdown

2018-01-06 Thread Michael Ellerman
Christian Zigotzky writes: > Hi All, > > Do we have some information regarding Spectre+Meltdown for our users? > > It could be that we have some security issues in our PowerPC CPUs. There's a statement from IBM here: https://www.ibm.com/blogs/psirt/potential-impact-processors-power-family/

Re: Spectre+Meltdown

2018-01-04 Thread Michal Suchánek
Hello, On Thu, 4 Jan 2018 16:09:34 +0100 Christian Zigotzky wrote: > Hi All, > > Do we have some information regarding Spectre+Meltdown for our users? > > It could be that we have some security issues in our PowerPC CPUs. > > Links: > > https://www.phoronix.com/scan.php?page=news_item&px=Lin