CVE-2021-46746 Memory corruption in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics
A privileged attacker with signing keys can corrupt return addresses in AMD Secure OS TEE, causing a stack-based buffer overrun and denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-46746?
CVE-2021-46746 is a medium-severity memory corruption vulnerability in AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics, published on 13 Aug 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Lack of stack protection exploit mechanisms in ASP Secure OS Trusted Execution Environment (TEE) may allow a privileged attacker with access to AMD signing keys to c006Frrupt the return address, causing a stack-based buffer overrun, potentially leading to a denial of service.
Weakness: CWE-120
Which versions are affected by CVE-2021-46746?
How do I fix CVE-2021-46746?
No fix has been published for CVE-2021-46746 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-2021-46746 being exploited?
There is no known exploitation of CVE-2021-46746 in the wild and no public exploit code.
Sources
Also known as GHSA-xqmq-3744-539p.