Improper access control in nVidia products - CVE-2021-34387

Vulnerability identifier: #VU54273

CSH Severity: Low

CVSS v4: 5.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-34387

CWE-ID: CWE-284

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the ARM TrustZone Technology. A local administrator can gain write access to kernel code and data that is otherwise mapped read only.

Jetson TX1
Jetson TX2 series
Jetson TX2 NX
Jetson AGX Xavier series
Jetson Xavier NX
Jetson Nano
Jetson Nano 2GB

Install updates from vendor's website.

Jetson TX1 - update to 32.5.1
Jetson TX2 series - update to 32.5.1
Jetson TX2 NX - update to 32.5.1
Jetson AGX Xavier series - update to 32.5.1
Jetson Xavier NX - update to 32.5.1
Jetson Nano - update to 32.5.1
Jetson Nano 2GB - update to 32.5.1

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

• Multiple vulnerabilities in several NVIDIA products