Medium severity · published Aug 31, 2026
CVE-2023-20511
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…
6.4
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AR
AMD Radeon™ Instinct™ MI25 Graphics Products · AMD
All versions, or not specified · source: vendor
AR
AMD Radeon™ PRO V620 Graphics Products · AMD
All versions, or not specified · source: vendor
Affected product
AR
AMD Radeon™ Instinct™ MI25 Graphics Products
AMD