CVE-2021-34387
Last modified
CVE-2021-34387 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nvidia | Jetson Linux | < 32.5.1 |
References
- https://nvidia.custhelp.com/app/answers/detail/a_id/5205Vendor Advisory
- https://nvidia.custhelp.com/app/answers/detail/a_id/5205Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- CVE-2021-34385Trusty TLK contains a vulnerability in the NVIDIA TLK kernel…6.7
- CVE-2021-34386Trusty TLK contains a vulnerability in the NVIDIA TLK kernel…6.7
- CVE-2021-34388Bootloader contains a vulnerability in NVIDIA TegraBoot wher…7.8
- CVE-2021-34389Trusty contains a vulnerability in NVIDIA OTE protocol messa…5
- CVE-2021-3439HP has identified a potential vulnerability in BIOS firmware…7.8
- CVE-2021-34390Trusty contains a vulnerability in the NVIDIA TLK kernel fun…5.5
- CVE-2021-34391Trusty contains a vulnerability in the NVIDIA TLK kernel fun…5.5
- CVE-2021-34392Trusty TLK contains a vulnerability in the NVIDIA TLK kernel…5.5
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