CVE-2021-34382

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-30 · updated 2026-06-17
Weakness: CWE-190

Description

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.

Affected products

NVIDIA Jetson TX1: before 32.5.1 — fixed in 32.5.1

How to fix

Upgrade to a fixed version: NVIDIA Jetson TX1 32.5.1. Check the vendor advisory for mitigations.

References

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

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