What’s Vulnerable › Vulnerabilities

CVE-2023-20562:

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-08 · updated 2026-06-17

Description

Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD uProf may allow an authenticated user to load an unsigned driver potentially leading to arbitrary kernel execution.

Affected products

• AMD μProf: before 4.1.396; before 4.1-424 — fixed in 4.1-424, 4.1.396

How to fix

Upgrade to a fixed version: AMD μProf 4.1-424, 4.1.396. Check the vendor advisory for mitigations.

References

• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7003
• https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7003

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