CVE-2021-26400 - Vulnerability Details - OpenCVE

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.

Published: 2022-05-11

Score: 4.0 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

AMD

AMD Processors

affected

Version	Status	Constraints
`Processor All Supported Processors`	affected	—

Configuration 1 [-]

cpe:2.3:h:amd:cpu:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-13206	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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00057.

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Amd Cpu

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2022-05-11T16:36:21.153Z

Updated: 2024-09-17T04:05:04.063Z

Reserved: 2021-01-29T00:00:00.000Z

Link: CVE-2021-26400

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-05-11T17:15:08.787

Modified: 2024-11-21T05:56:18.113

Link: CVE-2021-26400

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

NVD-CWE-noinfo

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