CVE-2023-20548: Race Condition
Published Feb 11, 2026
·Updated
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 Software
28 affected components
AMD Secure Processor
All of the following
AMD Rocm<6.2.0
Any of the following
AMD Instinct Mi210
AMD Instinct Mi250
AMD Instinct Mi300a
AMD Instinct Mi300x
All of the following
AMD Radeon Software<25.q2
Any of the following
AMD Radeon Pro W5500
AMD Radeon Pro W5500x
AMD Radeon Pro W5700
AMD Radeon Pro W5700x
All of the following
AMD Radeon Software<24.6.1
Any of the following
AMD Radeon Rx 5300
AMD Radeon Rx 5300 Xt
AMD Radeon Rx 5300m
AMD Radeon Rx 5500
AMD Radeon Rx 5500 Xt
AMD Radeon Rx 5500m
AMD Radeon Rx 5600
AMD Radeon Rx 5600 Xt
AMD Radeon Rx 5600m
AMD Radeon Rx 5700
AMD Radeon Rx 5700 Xt
AMD Radeon Rx 5700m
All of the following
AMD Radeon Vii Firmware
AMD Radeon Vii
All of the following
AMD Radeon Pro Vii Firmware
AMD Radeon Pro Vii
Event History
Feb 11, 2026
CVE Published
via MITRE·02:35 PM
Data Sourced
via MITRE·02:35 PM
DescriptionWeakness
Data Sourced
via NVD·03:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2023-20548?
CVE-2023-20548 is considered a high-severity vulnerability due to its potential impact on memory integrity, confidentiality, and availability.
2
How do I fix CVE-2023-20548?
To address CVE-2023-20548, ensure that your AMD Secure Processor firmware is updated to the latest available version.
3
What type of vulnerability is CVE-2023-20548?
CVE-2023-20548 is a Time-of-check time-of-use (TOCTOU) race condition vulnerability.
4
What are the potential consequences of exploiting CVE-2023-20548?
Exploiting CVE-2023-20548 could lead to corruption of memory, resulting in loss of integrity, confidentiality, or availability of system processes.
5
Which software is affected by CVE-2023-20548?
CVE-2023-20548 specifically affects the AMD Secure Processor.