CVE-2021-26333 AMD Chipset Driver Information Disclosure Vulnerability
Low-privileged users can leak data from uninitialized physical pages via the AMD PSP driver due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-26333?
CVE-2021-26333 is a medium-severity vulnerability in AMD PSP Driver, published on 21 Sep 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information disclosure vulnerability exists in AMD Platform Security Processor (PSP) chipset driver. The discretionary access control list (DACL) may allow low privileged users to open a handle and send requests to the driver resulting in a potential data leak from uninitialized physical pages.
Which versions are affected by CVE-2021-26333?
It affects 2 products.
Products include Amd Chipset Driver, Amd Psp Driver.
How do I fix CVE-2021-26333?
No fix has been published for CVE-2021-26333 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-26333 being exploited?
There is no known exploitation of CVE-2021-26333 in the wild and no public exploit code.
Sources
Also known as GHSA-rw97-q7v4-xhhq.