Description
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.
Scores
CVSS v3
4.7
EPSS
0.0006
EPSS Percentile
19.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-208
CWE-203
Status
published
Products (5)
amd/athlon_firmware
amd/athlon_pro_firmware
amd/epyc_firmware
amd/ryzen_firmware
amd/ryzen_pro_firmware
Published
Oct 13, 2021
Tracked Since
Feb 18, 2026