CVE-2021-36133
High
Description
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductTrustedfirmware Op-tee
PublishedDec 7, 2021
First seenDec 7, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| trustedfirmware op-tee | No range specified | — |
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