How severe is CVE-2021-34386?

CVE-2021-34386 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34386?

CVE-2021-34386 affects Nvidia Jetson Linux. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-34386 published?

CVE-2021-34386 was published on 2021-06-21 and last updated on 2026-06-17.

CVE-2021-34386

CVE-2021-34386 is a medium-severity vulnerability in Nvidia Jetson Linux with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 4.6
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Nvidia Jetson Linux
Published: 2021-06-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-34386?: CVE-2021-34386 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34386?: CVE-2021-34386 affects Nvidia Jetson Linux. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-34386 published?: CVE-2021-34386 was published on 2021-06-21 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:nvidia:jetson_linux:*:*:*:*:*:*:*:*

More vulnerabilities in Nvidia Jetson Linux

CVE-2024-0108 — High (CVSS 8.7): NVIDIA Jetson Linux contains a vulnerability in NvGPU where error handling paths in GPU MMU mapping code fail to clean…
CVE-2026-24148 — High (CVSS 8.3): NVIDIA Jetson for JetPack contains a vulnerability in the system initialization logic, where an unprivileged attacker…
CVE-2021-34372 — High (CVSS 8.2): Trusty (the trusted OS produced by NVIDIA for Jetson devices) driver contains a vulnerability in the NVIDIA OTE…
CVE-2022-42269 — High (CVSS 7.9): NVIDIA Trusted OS contains a vulnerability in an SMC call handler, where failure to validate untrusted input may allow…
CVE-2021-34373 — High (CVSS 7.9): Trusty trusted Linux kernel (TLK) contains a vulnerability in the NVIDIA TLK kernel where a lack of heap hardening…
CVE-2022-42270 — High (CVSS 7.8): NVIDIA distributions of Linux contain a vulnerability in nvdla_emu_task_submit, where unvalidated input may allow a…

All CVEs affecting Nvidia Jetson Linux →

Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

CVE-2026-4689 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was…
CVE-2026-24814 — Critical (CVSS 10.0): Integer Overflow or Wraparound vulnerability in swoole swoole-src (thirdparty/hiredis modules). This vulnerability is…
CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →