Vulnerability Database

313,664

Total vulnerabilities in the database

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, write, and execute permissions, which gives write access to kernel code and data that is otherwise mapped read only.

  • Published: Jun 21, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-34387
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.3
  • AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

Software From Fixed in
nvidia / jetson_linux - 32.5.1