Intel CPU Vulnerability

Commenters discuss a new CPU vulnerability primarily affecting Intel processors, mitigated through microcode updates, frequently comparing it to Spectre and Meltdown while debating AMD immunity and performance impacts.

📉 Falling 0.3x Security
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Keywords

e.g CPU G3 semanticscholar.org PSP theregister.com FAQ AMD INTC PIC spectre meltdown intel amd mitigations cpu microcode security vulnerable vulnerabilities

Sample Comments

kristjank • Jul 24, 2023 • View on HN

At least it's fixed in microcode, unlike some recent exploits (Spectre and Meltdown come to mind)

calo_star • Dec 7, 2021 • View on HN

Maybe it has something to do with Meltdown/Spectre mitigations.

signa11 • Jul 17, 2019 • View on HN

well, for intel-cpu's i am not so sure how it might be possible, given all that is known after the spectre/meltdown fiasco.

rasz • Aug 15, 2018 • View on HN

It might be blindly applying all the Intel brokeness (spectre/meltdown) patches to AMD cpu.

Animats • Feb 24, 2019 • View on HN

Are these Intel-only bugs? AMD uses a different approach to speculative execution and claims that the Meltdown-type attack won't work on post-Bulldozer CPUs.

andrewla • May 13, 2025 • View on HN

Intel claims [1] that they already have microcode mitigation. Like Spectre and Meltdown this is likely to have performance implications.[1] https://www.intel.com/content/www/us/en/security-center/advi...

jonathonf • Jun 12, 2019 • View on HN

Zen2 has hardware mitigations so "the same".

bitwind • Jan 2, 2018 • View on HN

All Intel CPU's are affected, mitigation syscall overhead increased by 50%, and none of AMD CPU's affected? I would say this could be an indicator to short INTC and long AMD...

ape4 • Jan 31, 2019 • View on HN

I guess this would help with Meltdown/Spectre type bugs.

im3w1l • Aug 7, 2015 • View on HN

Is it a coincidence that newer CPU's aren't vulnerable, or was it fixed because of discussions with Intel?