What is CVE-2021-1052?

CVE-2021-1052 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.8/10. Published 2021-01-08.

How severe is CVE-2021-1052?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Linux Kernel

CVE-2021-1052

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 user-mode clients can access legacy privileged APIs, which may lead to denial of service, escalation of privileges, and information disclosure.

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

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (36.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

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

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-2021-1052?: CVE-2021-1052 is a high-severity vulnerability in Linux Kernel. CVSS score: 7.8/10. Published 2021-01-08.
How severe is CVE-2021-1052?: High severity. CVSS v3 base score is 7.8 out of 10.