CVE-2023-20511

Double Free Vulnerability in AMD Kernel Mode Driver

Published Aug 31, 2026 CVSS 3.0 · 6.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Amd
Amd radeon Instinct Mi25 Graphics Products
Amd radeon Pro V620 Graphics Products
Vendors & Products Amd
Amd radeon Instinct Mi25 Graphics Products
Amd radeon Pro V620 Graphics Products
Type Values Removed Values Added
Title Double Free Vulnerability in AMD Kernel Mode Driver
Type Values Removed Values Added
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.
Weaknesses CWE-763
References
Metrics cvssV3_0

{'score': 6.4, 'vector': 'CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMD
Published
Updated
Sep 1, 2026, 2:46 PM
Reserved
Oct 27, 2022, 6:53 PM
Status
Awaiting Analysis
Published
Aug 31, 2026, 7:16 PM
Modified
Sep 3, 2026, 4:37 PM