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Vulnerability record · CVE-2021-34382 · published 30 June 2021

CVE-2021-34382: Nvidia jetson linux integer overflow vulnerability

Nvidia · Jetson Linux

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.

7.8 CVSS 3.1 High EPSS 0.20% · top 90.7% CWE-190 · Integer overflow
7.8CVSS 3.1 base score, v2 4.6
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel’s tz_map_shared_mem function where an integer overflow on the size parameter causes the request buffer and the logging buffer to overflow, allowing writes to arbitrary addresses within the kernel.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://nvidia.custhelp.com/app/answers/detail/a_id/5205 Vendor Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5205 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-34382), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.