The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.

Project Subscriptions

Vendors Products
I.mx6sx Subscribe
I.mx 6solox Subscribe
I.mx 6ull Subscribe
I.mx 6ulz Subscribe
I.mx 7ds Subscribe
Trustedfirmware Subscribe
Advisories
Source ID Title
EUVD EUVD EUVD-2021-22765 The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 05 Jun 2026 20:15:00 +0000

Type Values Removed Values Added
First Time appeared Trustedfirmware
Trustedfirmware op-tee
CPEs cpe:2.3:o:linaro:op-tee:-:*:*:*:*:*:*:* cpe:2.3:o:trustedfirmware:op-tee:-:*:*:*:*:*:*:*
Vendors & Products Linaro
Linaro op-tee
Trustedfirmware
Trustedfirmware op-tee

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T00:47:43.842Z

Reserved: 2021-07-02T00:00:00.000Z

Link: CVE-2021-36133

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-07T21:15:08.257

Modified: 2026-06-05T20:13:25.387

Link: CVE-2021-36133

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses