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CVE-2021-26356 Detail

Description

A TOCTOU in ASP bootloader may allow an attacker to tamper with the SPI ROM following data read to memory potentially resulting in S3 data corruption and information disclosure.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3001 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4001 Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-26356
NVD Published Date:
05/09/2023
NVD Last Modified:
05/16/2023
Source:
Advanced Micro Devices Inc.