CVE-2021-36133

Published Dec 7, 2021 CVSS 3.1 · 7.1 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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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.
History
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 4, 2024, 12:47 AM
Reserved
Jul 2, 2021, 12:00 AM
Status
Modified
Published
Dec 7, 2021, 9:15 PM
Modified
Jun 17, 2026, 3:58 AM