CVE-2021-34387

MEDIUM
6.7
CVSS Score
Published: June 21, 2021 at 09:35 PM UTC
Updated: June 17, 2026 at 03:55 AM UTC
2 products affected across 1 vendorJetson LinuxJetson TX1

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.2%

Description

The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DRAM reserved for TrustZone is identity-mapped by TLK with read, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 32.5.1
Affected range stops below 32.5.1, so it looks safe — our inference, not a vendor statement
nvidia-jetson-tx1 (environment)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-276

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