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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-26393 Detail

Description

Insufficient memory cleanup in the AMD Secure Processor (ASP) Trusted Execution Environment (TEE) may allow an authenticated attacker with privileges to generate a valid signed TA and potentially poison the contents of the process memory with attacker controlled data resulting in a loss of confidentiality.


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-1029 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1029 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-5001
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-5001

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-26393
NVD Published Date:
11/09/2022
NVD Last Modified:
11/21/2024
Source:
Advanced Micro Devices Inc.