What is CVE-2022-21820?

CVE-2022-21820 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2022-03-24.

How severe is CVE-2022-21820?

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

Buffer overflow in Linux Kernel

CVE-2022-21820

NVIDIA DCGM contains a vulnerability in nvhostengine, where a network user can cause detection of error conditions without action, which may lead to limited code execution, some denial of service, escalation of privileges, and limited impacts to both data confidentiality and integrity.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-03-24 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.165 (96.9th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.165 · newest: 0.165 · change: 0.000

Affected products

Linux Kernel
NVIDIA Data Center GPU Manager
NVIDIA Data Center GPU Manager — versions All versions prior to 2.3.4

Weakness classification (CWE)

References

nvidia.custhelp.com/app/answers/detail/a_id/5328 (Patch, Vendor Advisory)
packetstormsecurity.com/files/167396/NVIDIA-Data-Center-GPU-Manager-Remote-Memo… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-21820?: CVE-2022-21820 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 6.3/10. Published 2022-03-24.
How severe is CVE-2022-21820?: Medium severity. CVSS v3 base score is 6.3 out of 10.