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Questions tagged [speculative-execution]

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are new CPUs still vulnerable to attacks like Spectre and Meltdown?

Are the most modern CPUs still susceptible to attacks like Spectre and Meltdown? Is it worth enabling the fixes in kernel (which hit performance) ? Lets say high end laptop CPU such as the AMD Ryzen 7 ...
Martin Vegter's user avatar
1 vote
0 answers

What mitigations exist for AMD vulnerability CVE-2023-20593 Zenbleed?

I recently read that in the never ending series of speculative-execution flaws, unintended data written to extended registers ends up making secrets readable across privilege boundaries on AMD Zen 2 ...
anx's user avatar
  • 370
2 votes
2 answers

What is the impact and threat of Spectre in Javascript?

If you have looked into this demo of Spectre in JavaScript: Did I get it right that only current site memory can be accessed, due to site isolation etc? I saw there is also an addon to detect attackts ...
dev's user avatar
  • 997
0 votes
1 answer

A new exploit in town: SWAPGS. How and why did it happen?

Apparently, there's a new speculative execution exploit in town on Intel CPUs: SWAPGS. It takes research on Meltdown and Spectre to the next level and targets the root of the CPU. This is not the ...
Mast's user avatar
  • 445
3 votes
2 answers

What CPUs does the Spoiler attack affect?

I see on different websites different information about the Spoiler Attack. Some websites say all Intel CPUs are vulnerable and other websites say only Intel Core CPUs are vulnerable. Are Intel Xeon ...
user201255's user avatar
0 votes
1 answer

Do any speculative executation attacks affect ARMv7 CPUs?

Do we know if there are speculative execution attacks that affect ARMv7 CPUs at this time? Are there any theoretical risks that need further investigation?
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