CVE-2021-44149

Published Dec 7, 2021 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-31000 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.
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, 4:17 AM
Reserved
Nov 22, 2021, 12:00 AM
Status
Modified
Published
Dec 7, 2021, 9:15 PM
Modified
Jun 17, 2026, 4:11 AM