This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-36133 →

DEBIAN-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 Non...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:13 optee-os

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

advisory security-tracker.debian.org