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CVE-2023-20548

nvd nist
Published: Feb 11, 2026Modified: Mar 5, 2026

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7.1
Vector
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: psirt@amd.com (Secondary)

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 (5)

Amd
4 products
Rocm
Radeon Software
Radeon Vii Firmware
Radeon Pro Vii Firmware
Configuration A
1 vulnerable · 4 platform
Vulnerable SoftwareAffected Versions
Rocm
Before 6.2.0
Running on/withPlatform Versions
Amd
Instinct Mi210
All versions
Amd
Instinct Mi250
All versions
Amd
Instinct Mi300a
All versions
Amd
Instinct Mi300x
All versions
Configuration B
1 vulnerable · 4 platform
Vulnerable SoftwareAffected Versions
Radeon Software
Before 25.q2
Running on/withPlatform Versions
Amd
Radeon Pro W5500
All versions
Amd
Radeon Pro W5500x
All versions
Amd
Radeon Pro W5700
All versions
Amd
Radeon Pro W5700x
All versions
Configuration C
1 vulnerable · 12 platform
Vulnerable SoftwareAffected Versions
Radeon Software
Before 24.6.1
Running on/withPlatform Versions
Amd
Radeon Rx 5300
All versions
Amd
Radeon Rx 5300 Xt
All versions
Amd
Radeon Rx 5300m
All versions
Amd
Radeon Rx 5500
All versions
Amd
Radeon Rx 5500 Xt
All versions
Amd
Radeon Rx 5500m
All versions
Amd
Radeon Rx 5600
All versions
Amd
Radeon Rx 5600 Xt
All versions
Amd
Radeon Rx 5600m
All versions
Amd
Radeon Rx 5700
All versions
Amd
Radeon Rx 5700 Xt
All versions
Amd
Radeon Rx 5700m
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Radeon Vii Firmware
All versions
Running on/withPlatform Versions
Amd
Radeon Vii
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Radeon Pro Vii Firmware
All versions
Running on/withPlatform Versions
Amd
Radeon Pro Vii
All versions

Related CWEs

CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (1)

Source: psirt@amd.com
Vendor Advisory

Timeline

No history available yet.