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Update linux-workstation-security.md #43

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15 changes: 15 additions & 0 deletions linux-workstation-security.md
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Expand Up @@ -144,6 +144,8 @@ this section addresses core considerations when choosing a work system.
- [ ] System has no firewire, thunderbolt or ExpressCard ports _(NICE)_
- [ ] System has a TPM chip _(NICE)_
- [ ] System has disabled Intel ME chip _(PARANOID)_
- [ ] System is not susceptible to Row hammer _(PARANOID)_
- [ ] System has no CPU vulnerabilities _(PARANOID)_

### Considerations

Expand Down Expand Up @@ -201,6 +203,18 @@ chip functionality on your own. You should be mindful that it is an involved
process, and that disabling the IME may void the manufacturer support warranty
(or even be against your employer policy).

#### Row hammer

There are no known types of RAM not effected by [Row hammer][28] / eccploit / Rowhammer.js /etc so test.

#### CPU vulnerabilities

Can be checked with

cd /sys/devices/system/cpu/vulnerabilities/ && grep . * | grep -v "Not affected"

Anything other than no response is not ideal

## Pre-boot environment

This is a set of recommendations for your workstation before you even start
Expand Down Expand Up @@ -871,3 +885,4 @@ This work is licensed under a
[25]: https://github.com/corna/me_cleaner
[26]: https://en.wikipedia.org/wiki/Intel_Active_Management_Technology#Known_vulnerabilities_and_exploits
[27]: https://puri.sm/posts/purism-librem-laptops-completely-disable-intel-management-engine/
[28]: https://en.wikipedia.org/wiki/Row_hammer