CVE-2021-36133

high
Published 2021-12-07 ยท Modified 2026-06-05
CVSS v3
7.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
7.1

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.

Predictions

Exploit likelihood
70%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

debian Debian Affected 3 releases
VersionStatusFixed in
trixie Affected โ€”
sid Affected โ€”
forky Affected โ€”

Application impact

VendorProductVersionsFixed
nxpi.mx_6-
nxpi.mx_6solox-
nxpi.mx_6ull-
nxpi.mx_6ulz-
nxpi.mx_7ds-
nxpi.mx6sx-

References

CWEs

CWE-732

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.