ACM SIGArch: Speculating about speculation: on the (lack of) security guarantees of Spectre-V1 mitigations

Spectre and Meltdown opened the Pandora box of a new class of speculative execution attacks that defeat standard memory protection mechanisms. These attacks are not theoretical, they pose a real and immediate security threat, and have been reportedly exploited by cybercriminals.[…]

https://www.sigarch.org/speculating-about-speculation-on-the-lack-of-security-guarantees-of-spectre-v1-mitigations/