CVE-2022-47549
6.4MEDIUMAn 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 verif
Published: 12/19/2022Updated: 4/17/2025
Description
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.
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Affected Products
linaroop-tee
References
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6gThird Party Advisory
- https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdfExploitTechnical DescriptionVendor Advisory
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6gThird Party Advisory
- https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdfExploitTechnical DescriptionVendor Advisory