CVE-2021-26400

Upstream information

CVE-2021-26400 at MITRE

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.

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Upstream Security Advisories:

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1035
• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00648.html

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	2.1
Vector	AV:L/AC:L/Au:N/C:P/I:N/A:N
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	Partial
Integrity Impact	None
Availability Impact	None

CVSS v3 Scores

	National Vulnerability Database
Base Score	4
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	Low
Integrity Impact	None
Availability Impact	None
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1199468 [RESOLVED / WONTFIX]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Wed May 11 22:00:08 2022
CVE page last modified: Mon Aug 28 14:45:33 2023