CVE-2021-34387 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00027.

Key SSVC decision points have not yet been added.

Vendors	Products
Nvidia	Jetson Linux Jetson Tx1

Configuration 1 [-]

AND

cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*

cpe:2.3:h:nvidia:jetson_tx1:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-21045	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://nvidia.custhelp.com/app/answers/detail/a_id/5205

History

No history.

MITRE

Status: PUBLISHED

Assigner: nvidia

Published: 2021-06-21T21:35:16

Updated: 2024-08-04T00:12:49.990Z

Reserved: 2021-06-09T00:00:00

Link: CVE-2021-34387

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-21T22:15:07.673

Modified: 2024-11-21T06:10:17.500

Link: CVE-2021-34387

Redhat

No data.

OpenCVE Enrichment

No data.

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