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THREATINT
PUBLISHED

CVE-2023-20555



AssignerAMD
Reserved2022-10-27
Published2023-08-08
Updated2024-10-24

Description

Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt SMM memory by overwriting an arbitrary bit in an attacker-controlled pointer potentially leading to arbitrary code execution in SMM.

Product status

Default status
affected

various
affected

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affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

Default status
affected

various
affected

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4003 vendor-advisory

cve.org CVE-2023-20555

nvd.nist.gov CVE-2023-20555

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