Integer overflow in nVidia products - CVE-2021-34391
Published: June 21, 2021
Vulnerability identifier: #VU54277
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-34391
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: nVidia
Affected software:
Jetson TX1
Jetson TX2 series
Jetson TX2 NX
Jetson AGX Xavier series
Jetson Xavier NX
Jetson Nano
Jetson Nano 2GB
Jetson TX1
Jetson TX2 series
Jetson TX2 NX
Jetson AGX Xavier series
Jetson Xavier NX
Jetson Nano
Jetson Nano 2GB
Detailed vulnerability description
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_handle_trusted_app_smc" 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.
How to mitigate CVE-2021-34391
Install updates from vendor's website.