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MEDIUM · 6.3

CVE-2021-34387

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...

Vulnerability 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.

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
NvidiaJetson Linux< 32.5.1
NvidiaJetson Tx1-

Related Weaknesses (CWE)

CWE-276

References

FAQ

What is CVE-2021-34387?

CVE-2021-34387 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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...

How severe is CVE-2021-34387?

CVE-2021-34387 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34387?

Check the references section above for vendor advisories and patch information. Affected products include: Nvidia Jetson Linux, Nvidia Jetson Tx1.