CVE-2023-31323 Memory corruption in AMD Instinct™ MI210
Type confusion in AMD Secure Processor allows attackers to cause memory safety violations, impacting confidentiality, integrity, and availability of AMD GPUs.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-31323?
CVE-2023-31323 is a high-severity memory corruption vulnerability in AMD Instinct™ MI210, published on 12 Feb 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Type confusion in the AMD Secure Processor (ASP) could allow an attacker to pass a malformed argument to the External Global Memory Interconnect Trusted Agent (XGMI TA) leading to a memory safety violation potentially resulting in loss of confidentiality, integrity, or availability.
Weakness: CWE-843
Which versions are affected by CVE-2023-31323?
How do I fix CVE-2023-31323?
No fix has been published for CVE-2023-31323 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-31323 being exploited?
There is no known exploitation of CVE-2023-31323 in the wild and no public exploit code.
Sources
Also known as GHSA-9w8m-7cg3-7mh9.