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CVE-2021-44149

HIGH CVSS: 7.8 Published: 2021-12-07 Modified: 2026-06-17

Description

An issue was discovered in Trusted Firmware OP-TEE Trusted OS through 3.15.0. The OPTEE-OS CSU driver for NXP i.MX6UL SoC devices lacks security access configuration for wakeup-related registers, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a v cycle.

Affected Platforms

Trustedfirmware Op-TeeNxp I.Mx 6Ultralite

Weakness Type

NVD-CWE-Other

References