Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-26406

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/05/2023
Last modified:
28/01/2025

Description

Insufficient validation in parsing Owner&amp;#39;s<br /> Certificate Authority (OCA) certificates in SEV (AMD Secure Encrypted Virtualization)<br /> and SEV-ES user application can lead to a host crash potentially resulting in<br /> denial of service.<br /> <br /> <br /> <br /> <br />

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
7.50
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:epyc_7232p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7252_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7262_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7272_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7282_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7302_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7302p_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*
cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:epyc_7352_firmware:romepi_1.0.0.a:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools