CVE-2021-34401 Missing authorization in SHIELD TV

High 7.8 Published 18 Jan 2022 Updated 4 Aug 2024

Improper access control in NVIDIA Linux kernel allows attackers to execute code, compromise integrity, or cause denial of service.

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-2021-34401?

CVE-2021-34401 is a high-severity missing authorization vulnerability in NVIDIA SHIELD TV, published on 18 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NVIDIA Linux kernel distributions contain a vulnerability in nvmap NVGPU_IOCTL_CHANNEL_SET_ERROR_NOTIFIER, where improper access control may lead to code execution, compromised integrity, or denial of service.

Weakness: CWE-284

Which versions are affected by CVE-2021-34401?

It affects 1 product.

Products include Nvidia Shield Experience.

How do I fix CVE-2021-34401?

No fix has been published for CVE-2021-34401 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-34401 being exploited?

There is no known exploitation of CVE-2021-34401 in the wild and no public exploit code.

Sources

Also known as GHSA-q3p3-q448-66vh.