CVE-2021-34387

MEDIUM

NVIDIA Jetson Linux < 32.5.1 - Incorrect Default Permissions in TrustZone DRAM Mapping

Title source: llm
STIX 2.1

Description

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_confirm
https://nvidia.custhelp.com/app/answers/detail/a_id/5205

Scores

CVSS v3 6.3
EPSS 0.0003
EPSS Percentile 8.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-276
Status published
Products (1)
nvidia/jetson_linux < 32.5.1
Published Jun 21, 2021
Tracked Since Feb 18, 2026