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Status published
Unknown
CVE-2023-20555
Insufficient input validation in CpmDisplayFeatureSmm may allow an attacker to corrupt...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
Ryzen™ 3000 Series Desktop Processors “Matisse” AM4, Ryzen™ 5000 Series Desktop Processors “Vermeer” AM4, Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne” AM4, Ryzen™ 7000 Series Processors “Raphael”, Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics “Picasso”, Ryzen™ 4000 Series Desktop Processors with Radeon™ Graphics “Renoir” FP5, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Dali”/”Dali” FP5, Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics “Pollock”, Ryzen™ 3000 Series Mobile Processors with Radeon™ Graphics “Picasso”, Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics “Renoir” FP6, Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Lucienne”, Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, Ryzen™ 6000 Series Mobile Processors "Rembrandt", Ryzen™ 7030 Series Mobile Processors “Barcelo” , Ryzen™ 7020 Series Mobile Processors “Mendocino”
Vulnerable Versions:
various
Timeline
Official Publish:
August 8th, 2023
Last Modified:
October 24th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.