Re: Kernel memory leaking on Intel CPUs?

>When it comes to Meltdown: >Does OpenBSD is going to release patches for 6.2? I don't see anything related >to Meltdown in errata, but maybe it is too early. I understand other OSes >received disclosed information about bug a few months earlier. amd64 snapshots contain a fix, which is undergoing

Re: Kernel memory leaking on Intel CPUs?

Intel provided stable microcode for Skylake mitigating Spectre variant 2. Current status https://newsroom.intel.com/wp-content/uploads/sites/11/2018/02/microcode-update-guidance.pdf When it comes to Meltdown: Does OpenBSD is going to release patches for 6.2? I don't see anything related to

Re: Kernel memory leaking on Intel CPUs?

Excuse me, I can support the far-seeing generalities in the message you linked but am confused about the specifics. It looks like processor hangs, and deadlock, and poorly documented page table handling by the MMU, are concrete issues specified. Respectfully: Are there any direct links to

Re: Kernel memory leaking on Intel CPUs?

10 years passed, Theo de Raadt: https://marc.info/?l=openbsd-misc=118296441702631 _ Zbyszek Żółkiewski > > https://spectreattack.com/ >

Re: Kernel memory leaking on Intel CPUs?

There are some claims about Raspberry Pi: Here you go: We do not believe any generation of Raspberry Pi hardware is susceptible to either the Spectre or Meltdown vulnerabilities. https://twitter.com/EbenUpton/status/948999181309530116 Why Raspberry Pi isn’t vulnerable to Spectre or Meltdown

Re: Kernel memory leaking on Intel CPUs?

> Ted Unangst wrote: > > Otto Moerbeek wrote: > > > Sparc64 and powerpc also have speculative execution, branch > > > prediction and extensive caches. It is much wiser to assume they are > > > also affected by (similar) bugs/explots or whatever you call it. > > > > A lot of the commonly available

Re: Kernel memory leaking on Intel CPUs?

Ted Unangst wrote: > Otto Moerbeek wrote: > > Sparc64 and powerpc also have speculative execution, branch > > prediction and extensive caches. It is much wiser to assume they are > > also affected by (similar) bugs/explots or whatever you call it. > > A lot of the commonly available sparc64 gear,

Re: Kernel memory leaking on Intel CPUs?

Otto Moerbeek wrote: > Sparc64 and powerpc also have speculative execution, branch > prediction and extensive caches. It is much wiser to assume they are > also affected by (similar) bugs/explots or whatever you call it. A lot of the commonly available sparc64 gear, T2 and USIII, are in order.

Re: Kernel memory leaking on Intel CPUs?

>>So I will be most interested to see the OpenBSD take on this after the >> embargo period is over. >How long is embargo period? apparently Intel were aware of one of issues as early as Late June Last year... and late july for another issue ... it will be interesting how quickly a handful of

Re: Kernel memory leaking on Intel CPUs?

Fair enough, any idea if this could effect MIPS {32 64}? That's my next most commonly deployed arch. I do assume that there will likely be some issues on other arches, but from what I see, folks are still doing pensive beard stroking trying to determine if AMD chips are susceptible. SPARC is

Re: Kernel memory leaking on Intel CPUs?

On Sat, Jan 06, 2018 at 10:22:25AM -0800, Jordan Geoghegan wrote: > All my web-facing servers are running SPARC and/or for a couple smaller > projects, PowerPC. People thought I was a loon when I vehemently insisted on > SPARC over the years, and called me crazy when I hosted my personal web >

Re: Kernel memory leaking on Intel CPUs?

All my web-facing servers are running SPARC and/or for a couple smaller projects, PowerPC. People thought I was a loon when I vehemently insisted on SPARC over the years, and called me crazy when I hosted my personal web projects on PowerPC. x86 is a disease. A little bit extra in electricity

Re: Kernel memory leaking on Intel CPUs?

Yes! They are also working on risc-v. Sent from ProtonMail Mobile On Fri, Jan 5, 2018 at 19:50, ropers wrote: > On 4 January 2018 at 09:13, Rupert Gallagher wrote: > >> The Chinese have an interesting project on RISC, who is taking ages to hit >> the

Re: Kernel memory leaking on Intel CPUs?

http://www.mcst.ru/ On Sat, Jan 6, 2018 at 08:05, Jordan Geoghegan wrote: > They make their own via the /Moscow Center of SPARC Technologies./ Check out > the Elbrus architecture, its pretty clever. It can run native SPARC binaries > and also has a fairly efficient x86

Fwd: Re: Kernel memory leaking on Intel CPUs?

- Original message - On 05/01/18 08:51, Eric Furman wrote: > I always love threads like this. :) > Doesn't it tell anybody anything that none of the developers have commented? My point was that this thread was just pointless speculation by a bunch of people who have no idea of what they

Re: Kernel memory leaking on Intel CPUs?

> So I will be most interested to see the OpenBSD take on this after the > embargo period is over. How long is embargo period?

Re: Kernel memory leaking on Intel CPUs?

On 05/01/18 08:51, Eric Furman wrote: > I always love threads like this. :) > Doesn't it tell anybody anything that none of the developers have commented? > Ignorant speculation: has pledge as revealed the severity of these bugs ?

Re: Kernel memory leaking on Intel CPUs?

They make their own via the /Moscow Center of SPARC Technologies./ Check out the Elbrus architecture, its pretty clever. It can run native SPARC binaries and also has a fairly efficient x86 compatibility layer built into the hardware. The way they achieve bi-endian capability is pretty neat,

Re: Kernel memory leaking on Intel CPUs?

On Saturday, 6 January 2018, Eric Furman wrote: > I always love threads like this. :) > Doesn't it tell anybody anything that none of the developers have > commented? > > Theo talked about how scary some bugs in some Intel CPU’s were, a decade ago...

Re: Kernel memory leaking on Intel CPUs?

On Fri, 5 Jan 2018 00:58:33 - "torsten" wrote: > What surprises me is the "panic" publication of this because of already known > and in *BSDs addressed concerns about hyper threatening and shared memory > well back since 1994 IMHO this is a "zero day panic" of

Re: Kernel memory leaking on Intel CPUs?

On 4 January 2018 at 09:13, Rupert Gallagher wrote: > The Chinese have an interesting project on RISC, who is taking ages to hit > the market. > Is that https://www.openbsd.org/loongson.html or are you referring to something else?

Re: Kernel memory leaking on Intel CPUs?

t;> -Original Message- >>>> From: owner-m...@openbsd.org [mailto:owner-m...@openbsd.org] On >Behalf >>>> Of torsten >>>> Sent: 05 January 2018 00:59 >>>> To: 'Rupert Gallagher'; 'Daniel Wilkins'; 'Allan Streib' >>>> Cc: 'A

Re: Kernel memory leaking on Intel CPUs?

page=1 -Original Message- From: owner-m...@openbsd.org [mailto:owner-m...@openbsd.org] On Behalf Of torsten Sent: 05 January 2018 00:59 To: 'Rupert Gallagher'; 'Daniel Wilkins'; 'Allan Streib' Cc: 'Alceu R. de Freitas Jr.'; misc@openbsd.org Subject: Re: Kernel memory leaking on Intel CPUs? I wond

Re: Kernel memory leaking on Intel CPUs?

Yes, it is open hardware. No, it is not COTS, unfortunately. Low cost is due to high volume, and SPARC is hard to find. On Fri, Jan 5, 2018 at 06:36, SJP Lists wrote: > SPARC architecture is open to others to develop their own CPU designs. The > Russians are not forced

Re: Kernel memory leaking on Intel CPUs?

The answer is: genuine FUD. The news is hitting the media with more emphasis than a North Corean nuclear test, the uncertainty is due to yet another hardware feature that was implemented by Intel to steal secrets across different OSs, and the doubt of whether OBSD will pass this new test. On

Re: Kernel memory leaking on Intel CPUs?

I always love threads like this. :) Doesn't it tell anybody anything that none of the developers have commented?

Re: Kernel memory leaking on Intel CPUs?

? Thanks, > Subject: Kernel memory leaking on Intel CPUs? > https://www.theregister.co.uk/2018/01/02/intel_cpu_design_flaw/ > > "It is understood the bug is present in modern Intel processors produced in > the past decade. It allows normal user programs – from d

Re: Kernel memory leaking on Intel CPUs?

lan Streib' > > Cc: 'Alceu R. de Freitas Jr.'; misc@openbsd.org > > Subject: Re: Kernel memory leaking on Intel CPUs? > > > > I wonder how it is in reality for most *BSD users due to 1. hide > > processes run by other users 2. disable reading kernel messaging > >

Re: Kernel memory leaking on Intel CPUs?

On Friday, 5 January 2018, Rupert Gallagher wrote: > The Intel flop hits the US .mil as well, because they depend on COTS > Xeons. > > I pity the Russians. I wonder if they pay through the nose for Oracle's > power hungry hardware, or make it cheaper and power efficient of

Re: Kernel memory leaking on Intel CPUs?

sd.org] On Behalf > Of torsten > Sent: 05 January 2018 00:59 > To: 'Rupert Gallagher'; 'Daniel Wilkins'; 'Allan Streib' > Cc: 'Alceu R. de Freitas Jr.'; misc@openbsd.org > Subject: Re: Kernel memory leaking on Intel CPUs? > > I wonder how it is in reality for most *BSD users

Re: Kernel memory leaking on Intel CPUs?

ilkins; Allan Streib > Cc: Alceu R. de Freitas Jr.; misc@openbsd.org > Subject: Re: Kernel memory leaking on Intel CPUs? > > https://mobile.twitter.com/misc0110/status/948706387491786752 > > On Thu, Jan 4, 2018 at 16:49, Daniel Wilkins <t...@parlementum.net> > wrote:

Re: Kernel memory leaking on Intel CPUs?

https://mobile.twitter.com/misc0110/status/948706387491786752 On Thu, Jan 4, 2018 at 16:49, Daniel Wilkins wrote: > Intel's said that it affects every processor in the last 20+ years and that > it's "not a big deal for most users" because it's only a kernel memory >

Re: Kernel memory leaking on Intel CPUs?

The Intel flop hits the US .mil as well, because they depend on COTS Xeons. I pity the Russians. I wonder if they pay through the nose for Oracle's power hungry hardware, or make it cheaper and power efficient of their own. On Thu, Jan 4, 2018 at 18:28, Jordan Geoghegan

Re: Kernel memory leaking on Intel CPUs?

On 1/4/2018 10:51 AM, Daniel Boyd wrote: > > AMD has said that it doesn't affect their processors. Whether or not > that's true, I'm not sure. > > One curiosity I had was whether the KARL mitigation in 6.2 would help > with this. I suppose it depends on the nature of the flaw (which is > still

Re: Kernel memory leaking on Intel CPUs?

On Thu, 2018-01-04 at 10:21 -0500, Allan Streib wrote: > "Alceu R. de Freitas Jr." writes: > > > I guess Intel does not give a shit about non-profit groups. Linux > > got > > this attention because there are a lot of players making money from > > it, players that surely

Re: Kernel memory leaking on Intel CPUs?

The Russians heavily use SPARC for aerospace/military applications as well as their in house domestic-use-only Elbrus machines, for what I imagine to be reasons precisely like this. On 01/04/18 00:13, Rupert Gallagher wrote: Everybody is reading about it, including people like me that have

Re: Kernel memory leaking on Intel CPUs?

On Thu, 2018-01-04 at 10:49 -0500, Daniel Wilkins wrote: > On Thu, Jan 04, 2018 at 10:21:12AM -0500, Allan Streib wrote: > > "Alceu R. de Freitas Jr." writes: > > > > > I guess Intel does not give a shit about non-profit groups. Linux > > > got > > > this attention

Re: Kernel memory leaking on Intel CPUs?

On Thu, Jan 4, 2018 at 10:49 AM, Daniel Wilkins wrote: > From what I understand, AMD has come out and explicitly said that their > architecture isn't and has never been vulnerable, while Intel's said that > it affects every processor in the last 20+ years and that it's "not

Re: Kernel memory leaking on Intel CPUs?

On Thu, Jan 04, 2018 at 10:21:12AM -0500, Allan Streib wrote: > "Alceu R. de Freitas Jr." writes: > > > I guess Intel does not give a shit about non-profit groups. Linux got > > this attention because there are a lot of players making money from > > it, players that

Re: Kernel memory leaking on Intel CPUs?

Hello Daniel, I don't know as Im not a core developer... the Vuln was embargoed so my guess is a lot of people were in the dark. Thanks Tom Smyth On 4 January 2018 at 13:31, Daniel Boyd wrote: > On Jan 4, 2018, at 5:43 AM, Tom Smyth

Re: Kernel memory leaking on Intel CPUs?

"Alceu R. de Freitas Jr." writes: > I guess Intel does not give a shit about non-profit groups. Linux got > this attention because there are a lot of players making money from > it, players that surely have some sort of partnership with Intel. >From what I have read in

Re: Kernel memory leaking on Intel CPUs?

Not that I was able to see. I guess Intel does not give a shit about non-profit groups. Linux got this attention because there are a lot of players making money from it, players that surely have some sort of partnership with Intel. Around 2003, when I was still in college, I went to a IBM talk

Re: Kernel memory leaking on Intel CPUs?

Everybody is reading about it, including people like me that have formerly underestimated the problem... mea culpa The question is, can we have a kernel free of patches for spynet cpus? The Russians are moving to ARM-based cpus, anthough ARM is subject to UK-style Orwellian spynet law. The

Re: Kernel memory leaking on Intel CPUs?

On Jan 4, 2018, at 5:43 AM, Tom Smyth wrote: > > sorry all, > > I had posted to the tech mailing list about this .. I came across these 2 > papers and they may be of interest about the CPU Security flaws > > https://spectreattack.com/ > > I hope this helps > Tom

Re: Kernel memory leaking on Intel CPUs?

sorry all, I had posted to the tech mailing list about this .. I came across these 2 papers and they may be of interest about the CPU Security flaws https://spectreattack.com/ I hope this helps Tom Smyth

Re: Kernel memory leaking on Intel CPUs?

Intel is probably waiting for Microsoft, Red Hat, Apple and major cloud companies to update OSes until release of Intel Security Advisory. I am also curious does OpenBSD also maps kernel to userspace memory of processes? Could pledge protect against some scenarios exploiting these kinds of bugs?

Re: Kernel memory leaking on Intel CPUs?

I was just about to ask about the same thing... will OpenBSD lose performance as well, given the security flaw conditions?Looks like an issue already for Linux, MS Windows and MacOSX.Didn't see any mention about *BSD on the article too... Em quarta-feira, 3 de janeiro de 2018 11:03:00

Kernel memory leaking on Intel CPUs?

https://www.theregister.co.uk/2018/01/02/intel_cpu_design_flaw/ "It is understood the bug is present in modern Intel processors produced in the past decade. It allows normal user programs – from database applications to JavaScript in web browsers – to discern to some extent the layout or contents