CVE-2020-12951: amd athlon™ series Race Condition

Vulnerability summary

CVE-2020-12951 is a high (CVSS 7.0) Race Condition vulnerability in amd athlon™ series. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.4% of scored vulnerabilities.

Timeline

1. 16-11-2021
   PublishedVulnerability first disclosed.
2. 17-09-2024
   Last modifiedVulnerability information updated.

Description

Race condition in ASP firmware could allow less privileged x86 code to perform ASP SMM (System Management Mode) operations.

• CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.