https://seclists.org/oss-sec/2023/q3/74: CVE-2023-20593: A use-after-free in AMD Zen2 Processors
Published Jul 25, 2023
·Updated
Affected Software
3 affected components
AMD Zen2 Processors
Qemu Qemu
Linux Kernel>=5.15.119<=5.15.122
Frequently Asked Questions
1
What is the severity of CVE-2023-20593?
CVE-2023-20593 is considered a high severity vulnerability due to its potential to allow attackers to exploit use-after-free conditions.
2
How do I fix CVE-2023-20593?
Fixing CVE-2023-20593 requires updating to the latest AMD firmware or using the 'chicken bit' workaround if available.
3
Who is affected by CVE-2023-20593?
CVE-2023-20593 affects users of AMD Zen2 processors, along with systems running on QEMU and the Linux kernel.
4
What are the implications of CVE-2023-20593?
The implications of CVE-2023-20593 include potential unauthorized access to sensitive data and system compromise.
5
Is there a known exploit for CVE-2023-20593?
As of now, there are no public exploits confirmed for CVE-2023-20593, but the vulnerability can be potentially exploited without proper mitigations.