Integer overflow in nVidia products - CVE-2021-34392

Vulnerability identifier: #VU54278

CSH Severity: Low

CVSS v4: 4.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-34392

CWE-ID: CWE-190

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to integer overflow in the NVIDIA TLK kernel in "tz_map_shared_mem" function. A local user can pass specially crafted data to the application, trigger integer overflow and cause a denial of service condition on the target system.

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