Intro

Similar to Spectre and Meltdown( and Foreshadow), that were discovered in Jan 2018, now it was found another Spoiler. The original paper is that describes Spoiler here

Spoiler leakage

This flaw attacks Memory Order Buffer  – MOB and provides sandbox environment access, including JavaScript.

According to the original paper

Knowledge of the physical address enables adversaries to bypass OS protections [25] and ease other microarchitectural] attacks [31]. For instance, the procfs filesystem exposes
physical addresses [31], and Huge pages allocate contiguous physical memory

I will read more about it and I will post my findings.

REFS

https://www.zdnet.com/article/all-intel-chips-open-to-new-spoiler-non-spectre-attack-dont-expect-a-quick-fix/