CVE-2021-46791

Description

Insufficient input validation during parsing of the System Management Mode (SMM) binary may allow a maliciously crafted SMM executable binary to corrupt Dynamic Root of Trust for Measurement (DRTM) user application memory that may result in a potential denial of service.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.04%
Vendor Advisory amd.com
Affected: AMD 3rd Gen EPYC
Published at:
Updated at:

References

Link Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-46791?
CVE-2021-46791 has been scored as a medium severity vulnerability.
How to fix CVE-2021-46791?
To fix CVE-2021-46791, 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-2021-46791 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-46791 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-2021-46791?
CVE-2021-46791 affects AMD 3rd Gen EPYC.
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