CVE-2021-34387

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.

Category

6.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory custhelp.com
Affected: NVIDIA NVIDIA Jetson TX1
Published at:
Updated at:

References

Link Tags
https://nvidia.custhelp.com/app/answers/detail/a_id/5205 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34387?
CVE-2021-34387 has been scored as a medium severity vulnerability.
How to fix CVE-2021-34387?
To fix CVE-2021-34387, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-34387 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-34387 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34387?
CVE-2021-34387 affects NVIDIA NVIDIA Jetson TX1.
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