Vulnerability · Published Aug 31, 2026 · Assigned by AMD
CVE-2023-20511
Medium 6.4
In plain English
A medium-severity security flaw in AMD Radeon™ Instinct™ MI25 Graphics Products from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.0)6.4Medium
Exploit odds (30 days)0.4%top 65.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Radeon™ Instinct™ MI25 Graphics Products | see references |
| AMD | AMD Radeon™ PRO V620 Graphics Products | see references |
Weakness: CWE-763 · Vector: CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H