high7.1
CVE-2021-36133
The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure Wo…
Impact
The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Trustedfirmware | Op-Tee | All versions |