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Meltdown & Spectre Information and Discussion

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Ottawagrant

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Does anyone read this article the same way I do. (and it doesn't surprise me if I'm wrong) That the kernel update coming on Monday the 22nd is for computers with Intel processors only. Nothing done with AMD at this time.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #82 on: January 19, 2018, 04:20:12 AM »
 

bfb

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Remove kernel 4.10 and then update kernel 4.4. You must be running on 4.4 to delete 4.10. If you are running 4.4 now try updating. I think LL will only update the running kernel, though not sure. In any case 4.4 in LL will update to -111.

TC
I took your advice, for which I am grateful, but the 4.4 from the Lite Tweaks  doesn't update to -111 for some reason.
1)Does this mean that all the kernels from there are vulnerable? Remember I had 4.10 running before and that was vulnerable 2)how can I install the -111 version if 4.4 doesn't update to it automatically?
 

 

Mart

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Thanks Jerry for the Automated Spectre/Meltdown Checker.

http://news.softpedia.com/news/linux-lite-developer-creates-automated-spectre-meltdown-checker-for-linux-oses-519431.shtml

Ran the script and my results were the same.

"Spectre Variant 1"  Status: Not Vulnerable

"Spectre Variant 2"  Status: Vulnerable

"Meltdown aka Variant 3"  Status: Not Vulnerable

(Results with latest Intel microcode update and updated Linux kernel 4.4.0-111)

In respect to "Spectre Variant 2"  the following article - Ubuntu Preparing Kernel Updates With IBRS/IBPB For Spectre Mitigation - may be reassuring.

https://www.phoronix.com/scan.php?page=news_item&px=Ubuntu-Preps-Spectre-Kernels
Still running 3.8 and lovin' it  (running 5.0 as a triple boot)
 

Re: Meltdown & Spectre Information and Discussion
« Reply #80 on: January 18, 2018, 07:06:53 PM »
 

Mart

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Thanks Jerry for the Automated Spectre/Meltdown Checker.

http://news.softpedia.com/news/linux-lite-developer-creates-automated-spectre-meltdown-checker-for-linux-oses-519431.shtml

Ran the script and my results were the same.

"Spectre Variant 1"  Status: Not Vulnerable

"Spectre Variant 2"  Status: Vulnerable

"Meltdown aka Variant 3"  Status: Not Vulnerable

(Results with latest Intel microcode update and updated Linux kernel 4.4.0-111)

In respect to "Spectre Variant 2"  the following article - Ubuntu Preparing Kernel Updates With IBRS/IBPB For Spectre Mitigation - may be reassuring.

https://www.phoronix.com/scan.php?page=news_item&px=Ubuntu-Preps-Spectre-Kernels
« Last Edit: January 18, 2018, 08:16:08 PM by Jerry »
Still running 3.8 and lovin' it  (running 5.0 as a triple boot)
 

Re: Meltdown & Spectre Information and Discussion
« Reply #79 on: January 18, 2018, 03:07:40 PM »
 

Middleman.

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hello im new to the party.
i have downloaded and installed the latest microcode from the lite repo.is this enough to mitigate.?
my browser is google chrome.

thank you.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #78 on: January 18, 2018, 12:50:03 PM »
 

trinidad

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v1 Spectre is partially mitigated against timing attacks, by Firefox 57 and ESR

https://www.mozilla.org/en-US/security/advisories/mfsa2018-01/

TC
« Last Edit: January 18, 2018, 12:52:42 PM by trinidad »
All opinions expressed and all advice given by Trinidad Cruz on this forum are his responsibility alone and do not necessarily reflect the views or methods of the developers of Linux Lite. He is a citizen of the United States where it is acceptable to occasionally be uninformed and inept as long as you pay your taxes.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #77 on: January 18, 2018, 12:18:46 PM »
 

newtusmaximus

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2006 - HP DC7700p ultraslim Desktop Intel 6300 cpu  4GB Ram LL3.8 64bit.
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Re: Meltdown & Spectre Information and Discussion
« Reply #76 on: January 18, 2018, 12:02:30 PM »
 

Ottawagrant

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Acer Aspire One netbook D255E
Intel Atom n455 1.66GHz processor
Manufactured 02/2011
Linux Lite 3.6 32-bit
Fresh install on kernel 4.4.0-93 #116
Variant #1 - no
             #2 - yes
             #3 - yes


updated kernel to 4.4.0-111 #134

Variant #1 - no
             #2 - yes
             #3 - yes
A different article that I read seems to suggest that it is the Intel Atom 32-bit only that is OK. It's suggested that any chip that is x86_64 is vulnerable. I installed LL on the netbook with Windows 7 starter, so no loss there. But if anyone wants to try it on a netbook/laptop/desktop without installing LL, just boot into a live environment via USB, download Jerry's zip file, extract, & then double-click the 'sm-start'. No password required. It'll be an older kernel, but it'll give you an idea for your device.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #75 on: January 18, 2018, 11:39:44 AM »
 

trinidad

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Remove kernel 4.10 and then update kernel 4.4. You must be running on 4.4 to delete 4.10. If you are running 4.4 now try updating. I think LL will only update the running kernel, though not sure. In any case 4.4 in LL will update to -111.

TC
« Last Edit: January 18, 2018, 11:45:50 AM by trinidad »
All opinions expressed and all advice given by Trinidad Cruz on this forum are his responsibility alone and do not necessarily reflect the views or methods of the developers of Linux Lite. He is a citizen of the United States where it is acceptable to occasionally be uninformed and inept as long as you pay your taxes.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #74 on: January 18, 2018, 11:11:46 AM »
 

bfb

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I reverted to the 4.4.0 available in the Lite Kernels list in Lite Tweaks, as 4.10 is vulnerable, but still get this.
How can I get to the 111 version of Lite 4.4.0 ?

 

Re: Meltdown & Spectre Information and Discussion
« Reply #73 on: January 18, 2018, 09:42:00 AM »
 

Searchernow

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Sorry, I meant to add:

tweaktown's list, reportedly an official Intel list, is shown below.
My netbook (32 bit, Win7 Home Prem) doesn't give "series" - just Atom N450, but looking at the Atom wikipedia entry, my date of purchase Feb. 2011, logo sticker etc. then the series is N (obvious now) so appears not to be on the vulnerable list, as you suggest!


from https://www.tweaktown.com/news/60411/heres-list-intel-cpus-affected-spectre-meltdown/index.html   "12 days ago"

"Intel has finally released a full list of all of their processors that are open to the Spectre and Meltdown security flaws, with virtually all Intel CPUs at risk.

heres-list-intel-cpus-affected-specture-meltdown_06

The chipmaker has worked closely with AMD, ARM Holdings, and multiple operating system makers in order to push an industry-wide approach to fixing this problem.
Intel will soon have an update for 90% of their processors, something that should drop in the next few days.

Intel® Core™ i3 processor (45nm and 32nm)
Intel® Core™ i5 processor (45nm and 32nm)
Intel® Core™ i7 processor (45nm and 32nm)
Intel® Core™ M processor family (45nm and 32nm) 2nd generation
Intel® Core™ processors 3rd generation
Intel® Core™ processors 4th generation
Intel® Core™ processors 5th generation
Intel® Core™ processors 6th generation
Intel® Core™ processors 7th generation
Intel® Core™ processors 8th generation
Intel® Core™ processors Intel® Core™ X-series Processor Family for Intel® X99 platforms
Intel® Core™ X-series Processor Family for Intel® X299 platforms
Intel® Xeon® processor 3400 series
Intel® Xeon® processor 3600 series
Intel® Xeon® processor 5500 series
Intel® Xeon® processor 5600 series
Intel® Xeon® processor 6500 series
Intel® Xeon® processor 7500 series
Intel® Xeon® Processor E3 Family
Intel® Xeon® Processor E3 v2 Family
Intel® Xeon® Processor E3 v3 Family
Intel® Xeon® Processor E3 v4 Family
Intel® Xeon® Processor E3 v5 Family
Intel® Xeon® Processor E3 v6 Family
Intel® Xeon® Processor E5 Family
Intel® Xeon® Processor E5 v2 Family
Intel® Xeon® Processor E5 v3 Family
Intel® Xeon® Processor E5 v4 Family
Intel® Xeon® Processor E7 Family
Intel® Xeon® Processor E7 v2 Family
Intel® Xeon® Processor E7 v3 Family
Intel® Xeon® Processor E7 v4 Family
Intel® Xeon® Processor Scalable Family
Intel® Xeon Phi™ Processor 3200, 5200, 7200 Series
Intel® Atom™ Processor C Series
Intel® Atom™ Processor E Series
Intel® Atom™ Processor A Series
Intel® Atom™ Processor x3 Series
Intel® Atom™ Processor Z Series
Intel® Celeron® Processor J Series
Intel® Celeron® Processor N Series
Intel® Pentium® Processor J Series
Intel® Pentium® Processor N Series

Read more: https://www.tweaktown.com/news/60411/heres-list-intel-cpus-affected-spectre-meltdown/index.html "
SN.  I hope my reply has been useful - click Thank on the left.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #72 on: January 18, 2018, 08:54:59 AM »
 

Searchernow

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Thanks Trinidad - I'll update my Win7 laptop AVG free then try the Win check you posted.

Thanks too Ottawa - I since looked at my netbook (Samsung) - it has Atom N450, pretty sure it's pre-2013, and presumably pre - N455.
It's spec is 1.67Ghz and 2gb ram - so comfortably within LL recomended.
SN.  I hope my reply has been useful - click Thank on the left.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #71 on: January 18, 2018, 08:36:00 AM »
 

Ottawagrant

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To Searchernow: I have 2 Acer netbooks. Both have the Intel Atom processor, version N455, made in 02/2011. According to an article I read the Intel Atom (made before 2013) is one of only 2 processors unaffected. That's what I read. (humor intentional). I will install LL 3.6 32-bit on it today & run Jerry's test. I'll post the results here as well as the netbook's spec's. Both netbooks have Windows 7 starter on them now, so no loss there.
 

Re: Meltdown & Spectre Information and Discussion
« Reply #70 on: January 18, 2018, 08:28:43 AM »
 

Jerry

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@Vera great to hear :)
 

Re: Meltdown & Spectre Information and Discussion
« Reply #69 on: January 18, 2018, 08:26:04 AM »
 

Vera

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Similar results as others Variant #1- Not vulnerable, Variant #2-vulnerable, Variant #3-not vulnerable.

Exactly the results that I got too on my laptop when I checked it this morning. I haven't looked at my main machine yet.

A huge Thank You to @Jerry for making this user-friendly script to get and run the checker. I honestly don't think I would have bothered checking for vulnerabilities if it wasn't for Jerry's script. This was so easy to install and use. I just downloaded from GitHub, then right click on package and go "extract here", then go in folder and mark both scripts as executable and double-click on the "start" script. Then it opens up a window and runs and gives the results. It was so fast and uncomplicated.
Using Linux Lite for everything now. I put it on my desktop and my laptop. Woohoo!
 

 

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