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Status published
Unknown
CVE-2023-20559
Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged...
Vulnerability Description
Insufficient control flow management in AmdCpmGpioInitSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to escalation of privileges.
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™ 2000 Series , Ryzen™ 3000 Series, Ryzen™ 4000 Series, Ryzen™ 5000 Series, 2nd Gen AMD Ryzen™ Threadripper™ Processor, 3rd Gen AMD Ryzen™ Threadripper™ Processors, Ryzen™ Threadripper™ PRO Processor
Vulnerable Versions:
various , Various , various
Timeline
Official Publish:
March 23rd, 2023
Last Modified:
February 25th, 2025
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.