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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: nvidia

Published: 2021-06-21T21:35:16

Updated: 2024-08-04T00:12:49.990Z

Reserved: 2021-06-09T00:00:00

Link: CVE-2021-34387

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-06-21T22:15:07.673

Modified: 2021-06-29T14:13:03.267

Link: CVE-2021-34387

cve-icon Redhat

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