CVE-2021-34387 Privilege escalation in NVIDIA Jetson TX1
An attacker can exploit TrustZone identity mapping to gain write access to kernel memory, enabling privilege escalation and code execution on NVIDIA Jetson devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-34387?
CVE-2021-34387 is a medium-severity vulnerability in NVIDIA Jetson TX1, published on 21 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-276
Which versions are affected by CVE-2021-34387?
It affects 1 product.
Products include Nvidia Jetson Linux.
How do I fix CVE-2021-34387?
No fix has been published for CVE-2021-34387 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-34387 being exploited?
There is no known exploitation of CVE-2021-34387 in the wild and no public exploit code.
Other vulnerabilities in NVIDIA Jetson TX1
- CVE-2024-0108 Memory corruption in NVIDIA Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson TX1, Jetson Nano series
- CVE-2026-24148 Misconfiguration in Jetson Xavier Series and Jetson Orin Series
- CVE-2021-34372 Integer overflow in NVIDIA Jetson TX2 series, TX2 NX, AGX Xavier series, Xavier NX
- CVE-2022-42269 Information disclosure in Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX1, Jetson TX2 series, Jetson TX2 NX
- CVE-2021-34373 Memory corruption in NVIDIA Jetson TX1
Sources
Also known as GHSA-89wh-w7hc-jhpc.