CVE-2022-47549

An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted applications via electromagnetic fault injections.

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g	Third Party Advisory
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf	Exploit Technical Description Vendor Advisory
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g	Third Party Advisory
https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf	Exploit Technical Description Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-12-19 09:15

Updated : 2026-06-17 05:13

NVD link : CVE-2022-47549

Mitre link : CVE-2022-47549

CVE.ORG link : CVE-2022-47549

JSON object : View

Products Affected

trustedfirmware

op-tee

CWE

CWE-347

Improper Verification of Cryptographic Signature

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