Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-26351

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
12/05/2022
Last modified:
08/08/2023

Description

Insufficient DRAM address validation in System Management Unit (SMU) may result in a DMA (Direct Memory Access) read/write from/to invalid DRAM address that could result in denial of service.

Impact

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

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
5.50
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:L/Au:N/C:N/I:N/A:C CVSS v2.0 Severity and Metrics:

Base Score: 4.90 MEDIUM
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete

Base Score 2.0
4.90
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:ryzen_3_3100_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3100:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3300x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5125c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5125c:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5400u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5400u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5425c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5425c:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_5425u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_5425u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5_3400g_firmware:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools