CVE-2021-26400 : AMD processors may speculatively re-order load instructions which can result in

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.

Published 2022-05-11 17:15:09

Updated 2022-05-25 18:15:31

Source Advanced Micro Devices Inc.

View at NVD, CVE.org

Products affected by CVE-2021-26400

AMD » CPU » Version: N/A
cpe:2.3:h:amd:cpu:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-26400

EPSS FAQ

0.06%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 18 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-26400

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
2.1	LOW	AV:L/AC:L/Au:N/C:P/I:N/A:N	3.9	2.9	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
4.0	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	2.5	1.4	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None

References for CVE-2021-26400

https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035

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Vulnerability Details : CVE-2021-26400

Products affected by CVE-2021-26400

Exploit prediction scoring system (EPSS) score for CVE-2021-26400

CVSS scores for CVE-2021-26400

References for CVE-2021-26400