CVE-2021-34402 Memory corruption in SHIELD TV

Medium 6.7 Published Updated

High-privilege users can exploit NVIDIA NVDEC driver to read/write out-of-bounds memory, causing DoS, data leaks, or privilege escalation.

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-2021-34402?

CVE-2021-34402 is a medium-severity memory corruption 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 Tegra kernel driver contains a vulnerability in NVIDIA NVDEC, where a user with high privileges might be able to read from or write to a memory location that is outside the intended boundary of the buffer, which may lead to denial of service, Information disclosure, loss of Integrity, or possible escalation of privileges.

Weakness: CWE-125, CWE-787, CWE-284

Which versions are affected by CVE-2021-34402?

It affects 1 product.

Products include Nvidia Shield Experience.

How do I fix CVE-2021-34402?

No fix has been published for CVE-2021-34402 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-2021-34402 being exploited?

There is no known exploitation of CVE-2021-34402 in the wild and no public exploit code.

Sources

Also known as GHSA-983j-gj2g-5xg2.

Is CVE-2021-34402 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free