Executive Summary

Informations
Name CVE-2021-46792 First vendor Publication 2023-05-09
Vendor Cve Last vendor Modification 2023-05-22

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.9
Base Score 5.9 Environmental Score 5.9
impact SubScore 3.6 Temporal Score 5.9
Exploitabality Sub Score 2.2
 
Attack Vector Network Attack Complexity High
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46792

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 1
Os 1
Os 1
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 2
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 3
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1
Os 1

Sources (Detail)

Source Url
MISC https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001

Alert History

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0
1
Date Informations
2023-05-22 21:27:34
  • Multiple Updates
2023-05-10 00:27:14
  • First insertion