GoTEE

はじめに GoTEEフレームワークは、TamaGoベースのユニカーネルの並行インスタンス化を特権モードと非特権モードで実装し、モニターモードとカスタムシステムコールを介して相互にやり取りします。 これらの機能によりGoTEEは、TamaGoベースのTrusted Execution Environments（TEE）を実装し、ARM TrustZone Secure WorldまたはRISC-V Supervisor Execution Environments内のベアメタル実行にGoのメモリ安全性、利便性、および機能をもたらします。 GoTEEは、GoTEE...

TEE-reversing

TEEの基礎と一般 Trusted Execution Environment入門: ARMのTrustZone https://blog.quarkslab.com/introduction-to-trusted-execution-environment-arms-trustzone.html TEE入門 原著タイトル: TEEを中心とするCPUセキュリティ機能の動向 https://seminar-materials.iijlab.net/iijlab-seminar/iijlab-seminar-20181120.pdf ARMのTrustZoneへの攻撃...

GoTEE-example

はじめに GoTEEフレームワークは、TamaGoベースのユニカーネルを特権モードと非特権モードで同時にインスタンス化し、モニターモードとカスタムシステムコールを介して相互にやり取りします。 これらの機能により、GoTEEはTamaGoベースのTrusted Execution Environments（TEE）を実装し、ARM TrustZone Secure WorldまたはRISC-V Supervisor Execution Environments内のベアメタル実行にGoのメモリ安全性、利便性、および機能をもたらします。 GoTEEは、GoTEE...

Linux Distros Unpatched Vulnerability : CVE-2026-40257

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology...

EUVD-2026-41912

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core's AES-GCM implementation cause the...

EUVD-2026-41908

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 4.5.0 and prior to version 4.11.0, the RSA PKCS1 v1.5 decryption implementation in the Hisilicon HPRE crypto driver...

EUVD-2026-41906

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.9.0 and prior to version 4.11.0, the RSA-OAEP decryption implementation in the NXP CAAM crypto driver uses...

EUVD-2026-41893

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.10.0 and prior to version 4.11.0, an unbounded recursion can crash the PKCS11 TA. Version 4.11.0 contains a patch. ...

EUVD-2026-41891

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.21.0 and prior to version 4.11.0, the ARM Crypto Extensions accelerated SHA-3 implementation has an off-by-one erro...

PT-2026-55972

Name of the Vulnerable Software and Affected Versions OP-TEE versions 4.5.0 through 4.10.x Description The RSA-OAEP decryption implementation in the Hisilicon HPRE crypto driver uses a non-constant-time memcmp function for label hash verification and contains multiple distinguishable error paths...

PT-2026-55975

Name of the Vulnerable Software and Affected Versions OP-TEE versions 3.3.0 through 4.10.x Description A resource leak exists in the shared memory cleanup logic of OP-TEE, a Trusted Execution Environment designed for Arm Cortex-A cores using TrustZone technology. The function cleanup shm refs in...

PT-2026-55959

Name of the Vulnerable Software and Affected Versions OP-TEE versions 3.10.0 through 4.10.x Description OP-TEE is a Trusted Execution Environment TEE designed as a companion to a non-secure Linux kernel running on Arm Cortex-A cores using TrustZone technology. An unbounded recursion can cause the...

CVE-2026-44362: Improper Authorization

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.20.0 and prior to version 4.11.0, a vulnerability in OP-TEE’s subkey rollback protection allows the use of revoked ...

PT-2026-55973

Name of the Vulnerable Software and Affected Versions OP-TEE versions 3.9.0 through 4.10.x Description The RSA-OAEP decryption implementation in the NXP CAAM crypto driver uses a non-constant-time memcmp function for label hash verification and contains multiple distinguishable error paths. This...

PT-2026-55974

Name of the Vulnerable Software and Affected Versions OP-TEE versions 4.5.0 through 4.10.x Description The RSA PKCS1 v1.5 decryption implementation in the Hisilicon HPRE crypto driver uses a non-constant-time memcmp function for label hash verification and contains multiple distinguishable error...

EUVD-2026-34160

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 4.3.0 and prior to version 4.11.0, a type confusion vulnerability exists in OP-TEE OS when processing an FFAMEMSHARE...

CVE-2026-40290 OP-TEE has a Use-After-Free race in FF-A shared-memory teardown

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.16.0 and prior to 4.11.0, a user-after-free UAF race condition exists in the shared memory teardown logic of FF-A...

PT-2026-46045

Name of the Vulnerable Software and Affected Versions OP-TEE versions prior to 4.11.0 Description OP-TEE is a Trusted Execution Environment designed as a companion to a non-secure Linux kernel running on Arm Cortex-A cores using TrustZone technology. In several ECDH shared secret paths, the publi...

CVE-2026-40290: Use After Free

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.16.0 and prior to 4.11.0, a user-after-free UAF race condition exists in the shared memory teardown logic of FF-A...

EUVD-2026-25379

OP-TEE is a Trusted Execution Environment TEE designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. In versions 3.13.0 through 4.10.0, missing checks in entrygetattributevalue in ta/pkcs11/src/object.c can lead to out-of-bounds read from...