CVE-2021-34387 json
The ARM TrustZone Technology on which Trusty is based on contains a vulnerability in access permission settings where the portion of the DR…
published 2021-06-21 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-21045
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 10%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- nvidia jetson_linux 32.5.1
Exploit prediction
0.21% chance of exploitation in the next 30 days, higher than 10% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- NVIDIA NVIDIA Jetson TX1
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
nvidia.custhelp.com
/app/answers/detail/a_id/5205
vendor-advisory
Sources
- CVE List CVE-2021-34387
- NVD CVE-2021-34387
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