What is CVE-2021-34386?

CVE-2021-34386 is a medium-severity vulnerability in NVIDIA Jetson Linux, classified under Integer Overflow or Wraparound. CVSS score: 6.3/10. Published 2021-06-21.

How severe is CVE-2021-34386?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Integer overflow in NVIDIA Jetson Linux

CVE-2021-34386

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel where an integer overflow in the calloc size calculation can cause the multiplication of count and size can overflow, which might lead to heap overflows.

Vulnerability class: Integer Overflow

Published 2021-06-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (9.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

NVIDIA Jetson Linux
NVIDIA Jetson Tx1
NVIDIA Jetson Tx1 — versions All Jetson Linux versions prior to r32.5.1

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

nvidia.custhelp.com/app/answers/detail/a_id/5205 (Vendor Advisory)

Frequently asked questions

What is CVE-2021-34386?: CVE-2021-34386 is a medium-severity vulnerability in NVIDIA Jetson Linux, classified under Integer Overflow or Wraparound. CVSS score: 6.3/10. Published 2021-06-21.
How severe is CVE-2021-34386?: Medium severity. CVSS v3 base score is 6.3 out of 10.