CVE-2023-20564

6.7 mediumEPSS 0.3%

Medium (6.7) in amd. EPSS 0.3% chance of exploitation in the next 30 days.

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD Ryzen™ Master may permit a privileged attacker to perform memory reads/writes potentially leading to a loss of confidentiality or arbitrary kernel execution.

Severity

CVSS 3.1

6.7 medium

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 23% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2023-08-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

amd:ryzen_master
amd:ryzen_master_monitoring_sdk

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7004

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