漏洞信息
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Vulnerability Title
OP-TEE has FF-A type confusion in SPMC tmem path that causes S-EL1 kernel panic
Vulnerability Description
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 FFA_MEM_SHARE request from the normal world. This only applies when OP-TEE is configured as an SPMC for S-EL0 SPs, that is, with `CFG_CORE_SEL1_SPMC=y` and `CFG_SECURE_PARTITION=y`. Version 4.11.0 fixes the issue.
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
使用不兼容类型访问资源(类型混淆)
Vulnerability Title
OP-TEE Trusted OS 安全漏洞
Vulnerability Description
OP-TEE Trusted OS是OP-TEE开源的一个实现 Arm TrustZone 技术的开源可信执行环境(TEE)。 OP-TEE Trusted OS 4.3.0版本至4.11.0之前版本存在安全漏洞,该漏洞源于处理FFA_MEM_SHARE请求时存在类型混淆漏洞。
CVSS Information
N/A
Vulnerability Type
N/A