CVE-2023-31356

Description

Incomplete system memory cleanup in SEV firmware could allow a privileged attacker to corrupt guest private memory, potentially resulting in a loss of data integrity.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory amd.com
Affected: AMD AMD EPYC™ 7003 Processors
Affected: AMD AMD EPYC™ 9004 Processors
Affected: AMD AMD EPYC™ Embedded 7003
Affected: AMD AMD EPYC™ Embedded 9004
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html vendor advisory
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html

Frequently Asked Questions

What is the severity of CVE-2023-31356?
CVE-2023-31356 has been scored as a medium severity vulnerability.
How to fix CVE-2023-31356?
To fix CVE-2023-31356, 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-2023-31356 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-31356 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-2023-31356?
CVE-2023-31356 affects AMD AMD EPYC™ 7003 Processors, AMD AMD EPYC™ 9004 Processors, AMD AMD EPYC™ Embedded 7003, AMD AMD EPYC™ Embedded 9004.
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