What’s Vulnerable › Vulnerabilities

CVE-2023-20548

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-11 · updated 2026-06-17
• Weakness: CWE-367

Description

A Time-of-check time-of-use (TOCTOU) race condition in the AMD Secure Processor (ASP) could allow an attacker to corrupt memory resulting in loss of integrity, confidentiality, or availability.

Affected products

• AMD Radeon Pro Vii Firmware: all versions
• AMD Radeon Software: before 25.q2; before 24.6.1 — fixed in 24.6.1, 25.q2
• AMD Radeon Vii Firmware: all versions
• AMD Rocm: before 6.2.0 — fixed in 6.2.0

How to fix

Upgrade to a fixed version: AMD Radeon Software 24.6.1, 25.q2; AMD Rocm 6.2.0. Check the vendor advisory for mitigations.

References

• https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6024.html

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