CVE-2023-20511
Received Received - Intake

AMD Kernel Mode Driver Double Free Vulnerability

Publication date: 2026-08-31

Last updated on: 2026-08-31

Assigner: Advanced Micro Devices Inc.

Description
Release of an invalid pointer in the AMD kernel mode driver (KMD) could allow a privileged attacker to create a double free condition potentially leading to arbitrary code execution.

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Meta Information

Published
2026-08-31
Last Modified
2026-08-31
Generated
2026-08-31
AI Q&A
2026-08-31
EPSS Evaluated
N/A
NVD
CVE-2023-20511
EUVD
EUVD-2023-60609

Affected Vendors & Products

Showing 3 associated CPEs
Vendor Product Version / Range
amd radeon_pro_w7000_series to 23.40.20 (inc)
amd amd_software_pro_edition 23.40.20
amd kernel_mode_driver *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-763 The product attempts to return a memory resource to the system, but it calls the wrong release function or calls the appropriate release function incorrectly.

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Executive Summary

This vulnerability involves a release of an invalid pointer in the AMD kernel mode driver (KMD) that could allow a privileged attacker to create a double free condition. This may lead to arbitrary code execution by corrupting memory management in the system.

Impact Analysis

A privileged attacker could exploit this to execute arbitrary code on the system, potentially gaining control over it. This could result in system compromise, data theft, or denial of service if the attacker manipulates memory improperly.

Compliance Impact

This vulnerability does not directly affect compliance with GDPR, HIPAA, or similar standards as it involves a low-level kernel driver issue enabling arbitrary code execution under specific conditions. Compliance impacts would depend on system configuration and data handling practices rather than the vulnerability itself.

Mitigation Strategies

Update the AMD kernel mode driver to the latest version provided by AMD to address the invalid pointer release issue and prevent potential double free conditions.

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