Vulnerability record · CVE-2021-1056 · published 8 January 2021

CVE-2021-1056: Nvidia gpu driver incorrect default permissions vulnerability

Nvidia · Gpu Driver

NVIDIA GPU Display Driver for Linux, all versions, contains a vulnerability in the kernel mode layer (nvidia.ko) in which it does not completely honor operating system file system permissions to provide GPU device-level isolation, which may lead to denial of service or information disclosure.

7.1 CVSS 3.1 High EPSS 1.8% · top 22.7% CWE-276 · Incorrect default permissions

7.1CVSS 3.1 base score, v2 3.6

1.8%EPSS exploitation probability, 30 days

NoNot in CISA KEV

2Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Debian Linux Debian

Gpu Driver Nvidia

References

Link	Tags
https://lists.debian.org/debian-lts-announce/2022/01/msg00013.html	Mailing ListThird Party Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5142	Vendor Advisory
https://security.gentoo.org/glsa/202310-02	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/01/msg00013.html	Mailing ListThird Party Advisory
https://nvidia.custhelp.com/app/answers/detail/a_id/5142	Vendor Advisory
https://security.gentoo.org/glsa/202310-02	Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2021-1056), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.