VULNERABILITY INTELLIGENCE

CVE-2021-26400

CVSS score4 MEDIUM
EPSS probability0.24%
CISA KEVNot currently listed
Published2022-05-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Description

AMD processors may speculatively re-order load instructions which can result in stale data being observed when multiple processors are operating on shared memory, resulting in potential data leakage.

Primary references