PREFETCH Side Channel Attack: Unveiling Kernel Address Space Information on AMD CPUs

CVE-2021-26318 · MEDIUM Severity

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.

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