CVE-2021-34387

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.

Score

CVSS 3.1 6.7 Medium

Status

Modified - psirt@nvidia.com

Published

2021-06-21

Last modified

2024-08-04

Weaknesses

CWE-276

Affected products

• Jetson Linux (Nvidia)
• Nvidia Jetson Tx1 (Nvidia)

References

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