Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-26346

Severity CVSS v4.0:
Pending analysis
Type:
CWE-190 Integer Overflow or Wraparound
Publication date:
11/01/2023
Last modified:
09/04/2025

Description

Failure to validate the integer operand in ASP (AMD Secure Processor) bootloader may allow an attacker to introduce an integer overflow in the L2 directory table in SPI flash resulting in a potential 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

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_3200g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3200g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3200u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3200u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3250c:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3250u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3250u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300u_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_3_3300u:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_3_3300x_firmware:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools