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.
Published: 2021-12-07
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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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

No history.

Subscriptions

Linaro Op-tee
Nxp I.mx 6ultralite
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T04:17:24.901Z

Reserved: 2021-11-22T00:00:00.000Z

Link: CVE-2021-44149

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-12-07T21:15:08.653

Modified: 2024-11-21T06:30:26.640

Link: CVE-2021-44149

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses