CVE-2021-26321

Upstream information

CVE-2021-26321 at MITRE

Description

Insufficient ID command validation in the SEV Firmware may allow a local authenticated attacker to perform a denial of service of the PSP.

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Upstream Security Advisories:

• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1021
• https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	4.9
Vector	AV:L/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Local
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

CVSS v3 Scores

	National Vulnerability Database
Base Score	5.5
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector	Local
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3.1

SUSE Bugzilla entry: 1192617 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

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SUSE Timeline for this CVE

CVE page created: Fri Nov 12 11:00:38 2021
CVE page last modified: Sat Aug 3 17:35:26 2024