CVE-2023-20511 Use after free in AMD Radeon™ Instinct™ MI25 Graphics Products
A privileged attacker can exploit a double free in the AMD kernel mode driver to achieve arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-20511?
CVE-2023-20511 is a medium-severity use after free vulnerability in AMD Radeon™ Instinct™ MI25 Graphics Products, published on 31 Aug 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
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.
Weakness: CWE-763
Which versions are affected by CVE-2023-20511?
How do I fix CVE-2023-20511?
No fix has been published for CVE-2023-20511 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2023-20511 being exploited?
There is no known exploitation of CVE-2023-20511 in the wild and no public exploit code.
Sources
Also known as GHSA-98r8-gv3j-w3m9.