Jump to content
Search In
  • More options...
Find results that contain...
Find results in...
Sauron

Rambleed - Think RAM is safe? Nope

Recommended Posts

Posted · Original PosterOP

A recent paper published by researchers of the university of Michigan demonstrates a possible use of the Rowhammer DRAM vulnerability to launch a side channel attack. The researchers call this exploit "Rambleed". The attack relies on reading Rowhammer induced bit flips in the memory to extrapolate neighboring values.

Quote

RAMBleed is a side-channel attack that enables an attacker to read out physical memory belonging to other processes. The implications of violating arbitrary privilege boundaries are numerous, and vary in severity based on the other software running on the target machine. As an example, in our paper we demonstrate an attack against OpenSSH in which we use RAMBleed to leak a 2048 bit RSA key. However, RAMBleed can be used for reading other data as well.

RAMBleed is based on a previous side channel called Rowhammer, which enables an attacker to flip bits in the memory space of other processes. We show in our paper that an attacker, by observing Rowhammer-induced bit flips in her own memory, can deduce the values in nearby DRAM rows. Thus, RAMBleed shifts Rowhammer from being a threat not only to integrity, but confidentiality as well.

The dedicated website offers a fairly detailed FAQ but the most important information would be how to defend yourself from this attack:

Quote

How can I mitigate this issue?

Users can mitigate their risk by upgrading their memory to DDR4 with targeted row refresh (TRR) enabled. While Rowhammer-induced bit flips have been demonstrated on TRR, it is harder to accomplish in practice.

Memory manufacturers can help mitigate this issue by more rigorously testing for faulty DIMMs. Furthermore, publicly documenting vendor specific TRR implementations will facilitate a stronger development process as security researchers probe such implementations for weaknesses.

Note that, unlike with "vanilla" Rowhammer, using ECC memory is not an effective mitigation on its own:

Quote

Does ECC (Error Correcting Code) memory prevent RAMBleed?

No! RAMBleed uses bit flips as a read side channel, and as such does not require bit flips to be persistent. Instead, the attacker merely needs to know that a bit flip occurred; the secret information leaks regardless of whether or not ECC corrects the flip.

If ECC corrects the flip, how can the attacker determine whether or not a bit has flipped in her memory? The attacker can read her memory and use the ECC timing side channel to determine if the bit flipped.

It is currently unknown whether this attack or even just Rowhammer has ever been exploited in the wild but if you work with extremely sensitive data upgrading to TRR memory may be worth it. This exploit IS theoretically viable over the internet and was used in the paper to extract a private SSH key from the "victim".

 

This looks like something manufacturers will have to take into consideration with DDR5; for the average user it may be premature to panic but this could lead to some quite nasty security breaches.

 

-addition-

as per the paper, this has been disclosed to major players and currently has a CVE id

Quote

Following the practice of responsible disclosure, we have notified Intel, AMD, OpenSSH, Microsoft, Apple, and RedHat about our findings. The results contained in this paper (and in particular our memory massaging technique) were assigned CVE-2019-0174 by Intel.

 


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites
2 minutes ago, Sauron said:

It is currently unknown whether this attack or even just Rowhammer has ever been exploited in the wild

2 minutes ago, Sauron said:

for the average user it may be premature to panic

Next day news headlines:


Computer Memory Allows Hackers To Read Your Passwords!

Link to post
Share on other sites

Never heard of TRR before. Is this something common in consumer ram?


QUOTE ME IF YOU WANT A REPLY!

 

PC #1

Ryzen 7 1700@4ghz | Gigabyte Gaming K4 | Corsair 3ghz 2x8gb DDR4

MSI GTX 1080 8gb | SoundBlaster ZXR | Corsair HX850

Samsung 960 256gb | Samsung 860 1gb | Samsung 850 500gb

HGST 4tb, HGST 2tb | Seagate 2tb | Seagate 2tb

Corsair H100i AIO

 

PC #2

AMD FX 8320@4.5ghz | Biostar TA970 | Vengeance Pro 1866 2x8gb DDR3

Sapphire R9 290x 4gb | Asus Xonar DS | Corsair RM650

Samsung 850 128gb | Intel 240gb | Seagate 2tb

Corsair H80iGT AIO

 

Laptop

Core i7 6700HQ | Samsung 2400mhz 2x8gb DDR4

GTX 1060M 3gb | FiiO E10k DAC | MSI 180w Power Brick

Samsung 950 256gb | HGST 1tb

Link to post
Share on other sites
Posted · Original PosterOP
9 minutes ago, BigDamn said:

Never heard of TRR before. Is this something common in consumer ram?

Good question - it's hard to say because manufacturers don't usually list it as a feature. Samsung and Micron have announced in the past that their memory supports it but as far as I know there isn't a comprehensive list of what sticks do or don't support it. You'd have to contact the manufacturer directly to ask.


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites

I guess my next build will have no RAM then.

 

Oh, and no CPU, to avoid the speculative execution stuff.

And no motherboard or storage, in case 3-letter agencies decide to install something in the firmware. 

 

At least I'll have plenty of room inside my case for RGB strips. xD

Link to post
Share on other sites
7 minutes ago, BigDamn said:

Never heard of TRR before. Is this something common in consumer ram?

It's not a JEDEC requirement per se but some manufacturers implement it, Micron I'm pretty sure does.


[Out-of-date] Want to learn how to make your own custom Windows 10 image?

 

Desktop: Intel i7-7700K 5GHz | Gigabyte Z170N | EVGA 1080 ACX 3.0 SC | 16GB Trident Z 3200MHz | 256GB 840 EVO | 960GB Corsair Force LE | EVGA P2 650W | Custom Loop

Laptop: Intel M-5Y10c | Intel HD Graphics | 8GB RAM | 250GB Micron SSD | Asus UX305FA

Server: Intel Pentium G3258 | MSI Z87 G45 | 16GB G.Skill Sniper | 2x1TB Western Digital HDDs

Link to post
Share on other sites
Posted · Original PosterOP
4 minutes ago, Captain Chaos said:

Oh, and no CPU, to avoid the speculative execution stuff.

And no motherboard or storage, in case 3-letter agencies decide to install something in the firmware.

*clears throat*

 

RISC-V

Spoiler

image.thumb.png.7e478b1069fa7f57c353c22e54972cca.png

 


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites
11 minutes ago, Captain Chaos said:

I guess my next build will have no RAM then.

 

Oh, and no CPU, to avoid the speculative execution stuff.

And no motherboard or storage, in case 3-letter agencies decide to install something in the firmware. 

 

At least I'll have plenty of room inside my case for RGB strips. xD

At least GPUs are safe.

 

Goddammit nevermind.

Link to post
Share on other sites

Image result for here we go again


NotCPUCores Dev | Desktop Build: Ryzen 7 1800X @ 4.0GHz, AsRock Fatal1ty X370 Professional Gaming, 32GB Corsair DDR4 @ 3000MHz, RX480 8GB OC, Benq XL2730 1440p 144Hz FS


 

Link to post
Share on other sites
7 hours ago, Sauron said:

 

It is currently unknown whether this attack or even just Rowhammer has ever been exploited in the wild but if you work with extremely sensitive data upgrading to TRR memory may be worth it. This exploit IS theoretically viable over the internet and was used in the paper to extract a private SSH key from the "victim".

 

 

So, uhh, what are my options again to mitigate this if my PC won't take DDR4? (because Haswell).


The pursuit of knowledge for the sake of knowledge.

Forever in search of my reason to exist.

Link to post
Share on other sites
4 minutes ago, Zodiark1593 said:

So, uhh, what are my options again to mitigate this if my PC won't take DDR4? (because Haswell).

ECC would be about the best you could do if both your specific Haswell and the motherboard support it.

Link to post
Share on other sites

I feel like posting a google drive link to all my data just to get it over with lol.


Build Logs: Cotton Candy Threads | ZEN CLARITY + | Just NCASE mITX | Noc Noc | NUC | Storage Log

 

Cotton Candy Threads - CPU AMD Threadripper 2950X | GPU EVGA FTW3 RTX 2080 Ti | MOBO Asus ROG Zenith Extreme | MEMORY 128GB (8x 16GB) Corsair Vengeance RGB 3200 | STORAGE 3x Samsung 960 Evo SSD + 4x Crucial P1 1TB + 2x Seagate Ironwolf 8TB 7.2k HDDs | PSU Corsair HX1200i w/ Cablemod Pro Extensions | COOLING Cooler Master TR4 ML360 | CASE Lian Li O11 Dynamic Black | LIGHTING 2x Corsair HD120 Fans, 4x Corsair Addressable RGB Strips, 2x Corsair Commander Pro | PCPP
 
ZEN CLARITY + - CPU AMD Ryzen 2700X | GPU Radeon VII | MOBO Crosshair VII Hero | MEMORY 32GB (4x 8GB) Corsair Vengeance RGB Pro @ 3200 | STORAGE Samsung 960 Pro SSD + 2x SanDisk Ultra II SSDs | PSU Corsair RM1000i | COOLING Corsair H150i Pro | CASE Crystal 570X | LIGHTING 6x Corsair SP120 Fans, Cablemod Addressable RGB Strip, Corsair Commander Pro | PCPP
 
Just NCASE mITX - CPU Intel Core i7 8700K @ 5.2GHz | GPU EVGA RTX 2080 Ti XC | MOBO Asus Z370-I Gaming | MEMORY 16GB (2x 8GB) G.Skill Triden-Z RGB 3000 | STORAGE Samsung 960 Evo 500GB SSD + Corsair MX500 1TB M.2 SSD | PSU Corsair SF600 | COOLING Noctua NH-U9S w/ Redux Push/Pull Fans | CASE NCase M1v5 | LIGHTING 2x Cablemod Addressable RGB Strips | PCPP
 
Noc Noc, Who's There? - CPU AMD Threadripper 1950X | GPU ASUS RTX 2080 Ti OC | MOBO ASRock X399M Taichi | MEMORY 32GB (4x 8GB) GSkill Trident-Z 3200 | STORAGE Samsung 970 Evo SSD | PSU Corsair HX1000i w/ Cablemod Pro B&W Kit | COOLING Noctua U9 TR4 w/ 2x Redux 92mm | CASE Corsair 280X White | FANS 6x Noctua 140mm Redux | PCPP
Link to post
Share on other sites
10 hours ago, Sauron said:

*clears throat*

 

RISC-V

  Reveal hidden contents

image.thumb.png.7e478b1069fa7f57c353c22e54972cca.png

 

Why the hell would anyone use that? It has "risk" in its name ffs...

Link to post
Share on other sites
3 hours ago, justpoet said:

ECC would be about the best you could do if both your specific Haswell and the motherboard support it.

Which requires a Xeon V3 . ECC support has never been supported on any desktop CPU during the Core series. 

 

You can get Xeon-D's for ECC for budget systems, but that's basically not an option for gamers. If you want ECC and want to game, you have to get Workstation board to get ECC.

 

Link to post
Share on other sites
Posted · Original PosterOP
4 hours ago, Zodiark1593 said:

So, uhh, what are my options again to mitigate this if my PC won't take DDR4? (because Haswell).

Upgrade to Ryzen 3k 🤷‍♂️ or don't worry about it, this isn't very easy to exploit and we don't know of any actual attempts of doing so in the wild.

4 hours ago, justpoet said:

ECC would be about the best you could do if both your specific Haswell and the motherboard support it.

As I mentioned ECC doesn't really help against this so even if they could upgrade to that it would be a waste of money.


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites

So... could a fake ad with javascript code use this to read, say, our mail cookies and take control of our address?

How hard would it be for an attacker if he can make some unknown guy run his code, but does not know anything about such person?

Do you think VPSes will be susceptible to it? I mean, you often get assigned 8 GB of RAM, so it could be a continuous 8GB, which would limit access to your data, or it doesn't matter at all?

Link to post
Share on other sites
Posted · Original PosterOP
2 minutes ago, Loote said:

So... could a fake ad with javascript code use this to read, say, our mail cookies and take control of our address?

In theory, yes. In practice it's highly unlikely.

2 minutes ago, Loote said:

How hard would it be for an attacker if he can make some unknown guy run his code, but does not know anything about such person?

If you willingly run native code it would be difficult but quite feasible.

3 minutes ago, Loote said:

Do you think VPSes will be susceptible to it? I mean, you often get assigned 8 GB of RAM, so it could be a continuous 8GB, which would limit access to your data, or it doesn't matter at all?

Red Hat says hypervisors don't help so a VPS would also be vulnerable.


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites
Quote

Users can mitigate their risk by upgrading their memory to DDR4 with targeted row refresh (TRR) enabled.

So press F to all PCs with DDR3 and below? 


There is more that meets the eye
I see the soul that is inside

Link to post
Share on other sites
Posted · Original PosterOP
2 hours ago, captain_to_fire said:

So press F to all PCs with DDR3 and below? 

DDR2 and DDR are not affected by Rowhammer.

 

But yes, DDR3 systems have no way of defending themselves against this. As I said it's probably not a huge deal for the average user but still.


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites
Posted · Original PosterOP
3 minutes ago, Arika S said:

Page file master race

they'll come after your cpu cache next!


sudo chmod -R 000 /*

What is scaling and how does it work? Asus PB287Q unboxing! Console alternatives :D Watch Netflix with Kodi on Arch Linux Sharing folders over the internet using SSH Beginner's Guide To LTT (by iamdarkyoshi)

Sauron'stm Product Scores:

Spoiler

Just a list of my personal scores for some products, in no particular order, with brief comments. I just got the idea to do them so they aren't many for now :)

Don't take these as complete reviews or final truths - they are just my personal impressions on products I may or may not have used, summed up in a couple of sentences and a rough score. All scores take into account the unit's price and time of release, heavily so, therefore don't expect absolute performance to be reflected here.

 

-Lenovo Thinkpad X220 - [8/10]

Spoiler

A durable and reliable machine that is relatively lightweight, has all the hardware it needs to never feel sluggish and has a great IPS matte screen. Downsides are mostly due to its age, most notably the screen resolution of 1366x768 and usb 2.0 ports.

 

-Apple Macbook (2015) - [Garbage -/10]

Spoiler

From my perspective, this product has no redeeming factors given its price and the competition. It is underpowered, overpriced, impractical due to its single port and is made redundant even by Apple's own iPad pro line.

 

-OnePlus X - [7/10]

Spoiler

A good phone for the price. It does everything I (and most people) need without being sluggish and has no particularly bad flaws. The lack of recent software updates and relatively barebones feature kit (most notably the lack of 5GHz wifi, biometric sensors and backlight for the capacitive buttons) prevent it from being exceptional.

 

-Microsoft Surface Book 2 - [Garbage - -/10]

Spoiler

Overpriced and rushed, offers nothing notable compared to the competition, doesn't come with an adequate charger despite the premium price. Worse than the Macbook for not even offering the small plus sides of having macOS. Buy a Razer Blade if you want high performance in a (relatively) light package.

 

-Intel Core i7 2600/k - [9/10]

Spoiler

Quite possibly Intel's best product launch ever. It had all the bleeding edge features of the time, it came with a very significant performance improvement over its predecessor and it had a soldered heatspreader, allowing for efficient cooling and great overclocking. Even the "locked" version could be overclocked through the multiplier within (quite reasonable) limits.

 

-Apple iPad Pro - [5/10]

Spoiler

A pretty good product, sunk by its price (plus the extra cost of the physical keyboard and the pencil). Buy it if you don't mind the Apple tax and are looking for a very light office machine with an excellent digitizer. Particularly good for rich students. Bad for cheap tinkerers like myself.

 

 

Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

Buy VPN

×