By: Adrian (a.delete@this.acm.org), July 14, 2022 12:05 am
Room: Moderated Discussions
anon2 (anon.delete@this.anon.com) on July 13, 2022 10:03 pm wrote:
> anonymous2 (anonymous2.delete@this.example.com) on July 13, 2022 3:14 pm wrote:
> > https://en.wikipedia.org/wiki/Retbleed
>
> Does not seem to be anything new in hardware just spectre variant 2 software fix in Linux was not complete.
More interesting is that Zen 3 has introduced some separation between the privilege levels that makes the attack fail and that the attack also fails on Alder Lake and on Coffee Lake Refresh and presumably it also fails on Whiskey Lake/Ice Lake/Tiger Lake/Rocket Lake, though the latter have not been tested.
> anonymous2 (anonymous2.delete@this.example.com) on July 13, 2022 3:14 pm wrote:
> > https://en.wikipedia.org/wiki/Retbleed
>
> Does not seem to be anything new in hardware just spectre variant 2 software fix in Linux was not complete.
More interesting is that Zen 3 has introduced some separation between the privilege levels that makes the attack fail and that the attack also fails on Alder Lake and on Coffee Lake Refresh and presumably it also fails on Whiskey Lake/Ice Lake/Tiger Lake/Rocket Lake, though the latter have not been tested.
Topic | Posted By | Date |
---|---|---|
Retbleed | anonymous2 | 2022/07/13 03:14 PM |
Retbleed | anon2 | 2022/07/13 10:03 PM |
Retbleed | Adrian | 2022/07/14 12:05 AM |
Retbleed | Anon4 | 2022/07/14 02:17 PM |
Retbleed | anon2 | 2022/07/14 04:29 PM |
Retbleed | Anon4 | 2022/07/14 05:05 PM |
Retbleed | anon2 | 2022/07/14 05:37 PM |
Retbleed | anon2 | 2022/07/14 06:40 PM |
Retbleed | dmcq | 2022/07/15 04:54 AM |
Retbleed | anon2 | 2022/07/17 07:17 AM |
Retbleed | Michael S | 2022/07/15 07:08 AM |
Retbleed | Ben T | 2022/07/16 05:06 AM |
Retbleed | Michael S | 2022/07/16 11:41 AM |
Public cloud infrastructure | Ben T | 2022/07/16 04:50 PM |
Public cloud infrastructure | Rayla | 2022/07/16 09:15 PM |
Public cloud infrastructure | me | 2022/07/17 09:19 AM |
Public cloud infrastructure | Brett | 2022/07/18 12:38 PM |
Public cloud infrastructure | Adrian | 2022/07/18 01:19 PM |
Public cloud infrastructure | me | 2022/07/18 03:54 PM |
Public cloud infrastructure | Brett | 2022/07/20 03:35 PM |
Public cloud infrastructure | Brett | 2022/07/21 01:18 PM |
Public cloud infrastructure | inthestratosphere | 2022/07/21 02:46 PM |
Public cloud infrastructure | Brett | 2022/07/21 10:38 PM |
What’s needed for a viable Apple server? | Ben T | 2022/07/22 05:31 AM |
What’s needed for a viable Apple server? | Michael S | 2022/07/22 09:09 AM |
More DRAM capacity? | Mark Roulo | 2022/07/22 09:48 AM |
More DRAM capacity? | Doug S | 2022/07/22 11:05 AM |
More DRAM capacity? | Mark Roulo | 2022/07/22 11:20 AM |
More DRAM capacity? | Doug S | 2022/07/22 01:48 PM |
More DRAM capacity? | Wes Felter | 2022/07/22 04:49 PM |
Public cloud infrastructure | anon2 | 2022/07/18 04:25 PM |
Putting 12 processor packages in a 1U server | Ben T | 2022/07/22 10:02 PM |
Putting 12 processor packages in a 1U server | rwessel | 2022/07/23 07:15 AM |
Putting 12 processor packages in a 1U server | Daniel B | 2022/07/23 04:15 PM |
Putting 12 processor packages in a 1U server | Ben T | 2022/07/24 05:29 AM |
Multi-system cluster design space | Paul A. Clayton | 2022/07/24 08:49 AM |
Retbleed | Anon4 | 2022/07/15 03:00 AM |
Retbleed | Michael S | 2022/07/15 06:59 AM |
Retbleed | --- | 2022/07/15 11:14 AM |