CVE-2026-71967 OP-TEE OS 4.10.0 NULL Pointer Dereference DoS via Widevine PTA open_session

OP-TEE OS through 4.10.0, fixed in commit 0aadfc2, contains a null pointer dereference vulnerability in the Widevine pseudo-TA opensession handler that allows Normal World clients to cause a denial of service when CFGWIDEVINEPTA is enabled. Attackers can open a session directly on the Widevine PT...