What is CVE-2021-34392?

CVE-2021-34392 is a medium-severity vulnerability in NVIDIA Jetson Linux, classified under Integer Overflow or Wraparound. CVSS score: 4.4/10. Published 2021-06-22.

How severe is CVE-2021-34392?

Medium severity. CVSS v3 base score is 4.4 out of 10.

Integer overflow in NVIDIA Jetson Linux

CVE-2021-34392

Trusty TLK contains a vulnerability in the NVIDIA TLK kernel where an integer overflow in the tz_map_shared_mem function can bypass boundary checks, which might lead to denial of service.

Vulnerability class: Integer Overflow

Published 2021-06-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (7.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 7.4% 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-2021-34392?: CVE-2021-34392 is a medium-severity vulnerability in NVIDIA Jetson Linux, classified under Integer Overflow or Wraparound. CVSS score: 4.4/10. Published 2021-06-22.
How severe is CVE-2021-34392?: Medium severity. CVSS v3 base score is 4.4 out of 10.