CVEvulnerability

CVE-2021-34387

6.7 MEDIUM Published 2021-06-21 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-21
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
6.7 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-276

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 configurations

• nvidia jetson linux (< 32.5.1)

Related

Weakness · CWE (1)

  • CWE-276 Incorrect Default Permissions weakness

References