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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2021-26339 Detail

Description

A bug in AMD CPU’s core logic may allow for an attacker, using specific code from an unprivileged VM, to trigger a CPU core hang resulting in a potential denial of service. AMD believes the specific code includes a specific x86 instruction sequence that would not be generated by compilers.


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-1027 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1027 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028 Vendor Advisory 
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1028 Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-noinfo Insufficient Information cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-26339
NVD Published Date:
05/11/2022
NVD Last Modified:
11/21/2024
Source:
Advanced Micro Devices Inc.