Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-46792

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

Description

Time-of-check Time-of-use (TOCTOU) in the<br /> BIOS2PSP command may allow an attacker with a malicious BIOS to create a race<br /> condition causing the ASP bootloader to perform out-of-bounds SRAM reads upon<br /> an S3 resume event potentially leading to a denial of service.<br /> <br /> <br /> <br /> <br />

Impact

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

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

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

Base Score 3.x
5.90
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:amd:ryzen_5300g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5300ge_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5300ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5500_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5500:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600g:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600ge_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600ge:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5600x_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*
cpe:2.3:h:amd:ryzen_5600x:-:*:*:*:*:*:*:*
cpe:2.3:o:amd:ryzen_5700g_firmware:cezannepi-fp6_1.0.0.6:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools