https://seclists.org/oss-sec/2023/q3/76: CVE-2023-20593: A use-after-free in AMD Zen2 Processors

Published Jul 25, 2023
·
Updated

Affected Software

1 affected component
AMD Zen2 Processors
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Frequently Asked Questions

1

What is the severity of CVE-2023-20593?

CVE-2023-20593 has been classified as a high severity vulnerability due to its potential to lead to remote code execution.

2

How do I fix CVE-2023-20593?

As of now, the only workaround for CVE-2023-20593 is to implement the 'chicken bit' mitigation.

3

What systems are affected by CVE-2023-20593?

CVE-2023-20593 primarily affects AMD Zen2 Processors, particularly in their EPYC line.

4

When was CVE-2023-20593 published?

CVE-2023-20593 was published on July 25, 2023.

5

What is a use-after-free vulnerability in CVE-2023-20593?

A use-after-free vulnerability like CVE-2023-20593 occurs when memory that has been freed is accessed, potentially allowing attackers to exploit the system.

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