CVE-2023-20571

Description

A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.33%
Vendor Advisory amd.com
Affected: AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”
Affected: AMD Ryzen™ 7000 Series Desktop Processors “Raphael” XD3
Affected: AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”
Affected: AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt"
Affected: AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”
Affected: AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”
Affected: AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”
Affected: AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20571?
CVE-2023-20571 has been scored as a high severity vulnerability.
How to fix CVE-2023-20571?
To fix CVE-2023-20571, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20571 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20571 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20571?
CVE-2023-20571 affects AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”, AMD Ryzen™ 7000 Series Desktop Processors “Raphael” XD3, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt", AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”, AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”, AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”, AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8.
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