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 PKCS#11 TA. Version 4.11.0 contains a patch. No known workarounds are available.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff Patch, Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 3.3 · trustedfirmwareNVD modified 2026-10-25 20:10
Affected (CPE criteria) 1
cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*
References 1
- https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff Patch, Vendor Advisory