CVE-2026-40290

A flaw was found in OP-TEE Trusted Execution Environment. A local attacker could exploit a user-after-free UAF race condition in the shared memory teardown logic when OP-TEE is configured as a Secure Partition Management Controller SPMC for Secure EL0 S-EL0 Secure Partitions. This vulnerability...

CVE-2026-40290

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...