https://seclists.org/oss-sec/2023/q3/75: CVE-2023-20593: A use-after-free in AMD Zen2 Processors
Published Jul 25, 2023
·Updated
Affected Software
1 affected component
AMD Zen2 Processors
Frequently Asked Questions
1
What is the severity of CVE-2023-20593?
CVE-2023-20593 has been categorized as a critical vulnerability affecting AMD Zen2 processors.
2
How do I fix CVE-2023-20593?
Currently, AMD has only provided a workaround through the use of the 'chicken bit' workaround for affected systems.
3
What impact does CVE-2023-20593 have on AMD Zen2 processors?
This vulnerability can lead to a use-after-free condition, potentially allowing unauthorized access to sensitive data.
4
Are all AMD Zen2 processors affected by CVE-2023-20593?
No, the vulnerability primarily affects specific models of AMD Zen2 processors, with EPYC models receiving limited fixes.
5
When was CVE-2023-20593 published?
CVE-2023-20593 was published on July 25, 2023.