What is CVE-2021-1053?

CVE-2021-1053 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2021-01-08.

How severe is CVE-2021-1053?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Linux Kernel

CVE-2021-1053

NVIDIA GPU Display Driver for Windows and Linux, all versions, contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape or IOCTL in which improper validation of a user pointer may lead to denial of service.

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

Published 2021-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.0th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: -0.000

Affected products

Linux Kernel
Microsoft Windows
NVIDIA GPU Driver
NVIDIA GPU Display Driver — versions All

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

nvidia.custhelp.com/app/answers/detail/a_id/5142 (Vendor Advisory)
security.gentoo.org/glsa/202310-02 (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2021-1053?: CVE-2021-1053 is a medium-severity vulnerability in Linux Kernel, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2021-01-08.
How severe is CVE-2021-1053?: Medium severity. CVSS v3 base score is 5.5 out of 10.