Is CVE-2021-1056 in the CISA KEV catalog?

No. CVE-2021-1056 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-1056?

CVE-2021-1056 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2021-1056?

CVE-2021-1056 has an EPSS score of 1.78% (76th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-1056?

Upgrade nvidia-graphics-drivers on debian 11 to 460.32.03-1 or later. Fixes are available for 55 affected products.

CVE & CISA-KEV Catalog

CVE-2021-1056

HIGHEPSS 76th pctl

7.1

CVSS v3

NVD

Description

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.

CWE-276

How to fix

Remediation Available

nvidia-graphics-driversDebian

Fixed in:460.32.03-1CVE-2021-1056

linuxUbuntu

Fixed in:4.15.0-130.134USN-4689-2

Fixed in:5.4.0-60.67USN-4689-2

linux-awsUbuntu

Fixed in:4.15.0-1092.98USN-4689-2

Fixed in:5.4.0-1035.37USN-4689-2

linux-aws-5.4Ubuntu

Fixed in:5.4.0-1035.37~18.04.1USN-4689-2

linux-azureUbuntu

Fixed in:5.4.0-1036.38USN-4689-2

linux-azure-4.15Ubuntu

Fixed in:4.15.0-1104.116USN-4689-2

linux-azure-5.4Ubuntu

Fixed in:5.4.0-1036.38~18.04.1USN-4689-2

linux-gcpUbuntu

Fixed in:5.4.0-1034.37USN-4689-2

linux-gcp-5.4Ubuntu

Fixed in:5.4.0-1034.37~18.04.1USN-4689-2

linux-hwe-5.4Ubuntu

Fixed in:5.4.0-60.67~18.04.1USN-4689-2

linux-hwe-5.8Ubuntu

Fixed in:5.8.0-36.40~20.04.1USN-4689-2

linux-image-4.15.0-1063-oracleUbuntu

Fixed in:4.15.0-1063.70USN-4689-2

linux-image-4.15.0-1092-awsUbuntu

Fixed in:4.15.0-1092.98USN-4689-2

linux-image-4.15.0-1104-azureUbuntu

Fixed in:4.15.0-1104.116USN-4689-2

linux-image-4.15.0-130-genericUbuntu

Fixed in:4.15.0-130.134USN-4689-2

linux-image-4.15.0-130-lowlatencyUbuntu

Fixed in:4.15.0-130.134USN-4689-2

linux-image-5.4.0-1034-gcpUbuntu

Fixed in:5.4.0-1034.37~18.04.1USN-4689-2

Fixed in:5.4.0-1034.37USN-4689-2

linux-image-5.4.0-1035-awsUbuntu

Fixed in:5.4.0-1035.37~18.04.1USN-4689-2

Fixed in:5.4.0-1035.37USN-4689-2

linux-image-5.4.0-1035-oracleUbuntu

Fixed in:5.4.0-1035.38~18.04.1USN-4689-2

Fixed in:5.4.0-1035.38USN-4689-2

linux-image-5.4.0-1036-azureUbuntu

Fixed in:5.4.0-1036.38~18.04.1USN-4689-2

Fixed in:5.4.0-1036.38USN-4689-2

linux-image-5.4.0-60-genericUbuntu

Fixed in:5.4.0-60.67~18.04.1USN-4689-2

Fixed in:5.4.0-60.67USN-4689-2

linux-image-5.4.0-60-lowlatencyUbuntu

Fixed in:5.4.0-60.67~18.04.1USN-4689-2

Fixed in:5.4.0-60.67USN-4689-2

linux-image-5.6.0-1042-oemUbuntu

Fixed in:5.6.0-1042.46USN-4689-2

linux-image-5.8.0-36-genericUbuntu

Fixed in:5.8.0-36.40~20.04.1USN-4689-2

linux-image-5.8.0-36-lowlatencyUbuntu

Fixed in:5.8.0-36.40~20.04.1USN-4689-2

linux-image-awsUbuntu

Fixed in:5.4.0.1035.20USN-4689-2

Fixed in:5.4.0.1035.36USN-4689-2

linux-image-aws-lts-18.04Ubuntu

Fixed in:4.15.0.1092.94USN-4689-2

linux-image-azureUbuntu

Fixed in:5.4.0.1036.18USN-4689-2

Fixed in:5.4.0.1036.34USN-4689-2

linux-image-azure-lts-18.04Ubuntu

Fixed in:4.15.0.1104.77USN-4689-2

linux-image-gcpUbuntu

Fixed in:5.4.0.1034.22USN-4689-2

Fixed in:5.4.0.1034.43USN-4689-2

linux-image-genericUbuntu

Fixed in:4.15.0.130.117USN-4689-2

Fixed in:5.4.0.60.63USN-4689-2

linux-image-generic-hwe-18.04Ubuntu

Fixed in:5.4.0.60.67~18.04.55USN-4689-2

linux-image-generic-hwe-20.04Ubuntu

Fixed in:5.8.0.36.40~20.04.21USN-4689-2

linux-image-lowlatencyUbuntu

Fixed in:4.15.0.130.117USN-4689-2

Fixed in:5.4.0.60.63USN-4689-2

linux-image-lowlatency-hwe-18.04Ubuntu

Fixed in:5.4.0.60.67~18.04.55USN-4689-2

linux-image-lowlatency-hwe-20.04Ubuntu

Fixed in:5.8.0.36.40~20.04.21USN-4689-2

linux-image-oemUbuntu

Fixed in:5.4.0.60.67~18.04.55USN-4689-2

Fixed in:5.4.0.60.63USN-4689-2

linux-image-oem-20.04Ubuntu

Fixed in:5.6.0.1042.38USN-4689-2

linux-image-oem-osp1Ubuntu

Fixed in:5.4.0.60.67~18.04.55USN-4689-2

Fixed in:5.4.0.60.63USN-4689-2

linux-image-oracleUbuntu

Fixed in:5.4.0.1035.38~18.04.19USN-4689-2

Fixed in:5.4.0.1035.32USN-4689-2

linux-image-oracle-lts-18.04Ubuntu

Fixed in:4.15.0.1063.73USN-4689-2

linux-image-virtualUbuntu

Fixed in:4.15.0.130.117USN-4689-2

Fixed in:5.4.0.60.63USN-4689-2

linux-image-virtual-hwe-18.04Ubuntu

Fixed in:5.4.0.60.67~18.04.55USN-4689-2

linux-image-virtual-hwe-20.04Ubuntu

Fixed in:5.8.0.36.40~20.04.21USN-4689-2

linux-oem-5.6Ubuntu

Fixed in:5.6.0-1042.46USN-4689-2

linux-oracleUbuntu

Fixed in:4.15.0-1063.70USN-4689-2

Fixed in:5.4.0-1035.38USN-4689-2

linux-oracle-5.4Ubuntu

Fixed in:5.4.0-1035.38~18.04.1USN-4689-2

nvidia-graphics-drivers-390Ubuntu

Fixed in:390.141-0ubuntu0.18.04.1USN-4689-1

Fixed in:390.141-0ubuntu0.20.04.1USN-4689-1

nvidia-graphics-drivers-450Ubuntu

Fixed in:450.102.04-0ubuntu0.18.04.1USN-4689-1

Fixed in:450.102.04-0ubuntu0.20.04.1USN-4689-1

nvidia-graphics-drivers-460Ubuntu

Fixed in:460.32.03-0ubuntu0.18.04.1USN-4689-1

Fixed in:460.32.03-0ubuntu0.20.04.1USN-4689-1

xserver-xorg-video-nvidia-390Ubuntu

Fixed in:390.141-0ubuntu0.18.04.1USN-4689-1

Fixed in:390.141-0ubuntu0.20.04.1USN-4689-1

xserver-xorg-video-nvidia-440Ubuntu

Fixed in:450.102.04-0ubuntu0.18.04.1USN-4689-1

Fixed in:450.102.04-0ubuntu0.20.04.1USN-4689-1

xserver-xorg-video-nvidia-450Ubuntu

Fixed in:450.102.04-0ubuntu0.18.04.1USN-4689-1

Fixed in:450.102.04-0ubuntu0.20.04.1USN-4689-1

xserver-xorg-video-nvidia-455Ubuntu

Fixed in:460.32.03-0ubuntu0.18.04.1USN-4689-1

Fixed in:460.32.03-0ubuntu0.20.04.1USN-4689-1

xserver-xorg-video-nvidia-460Ubuntu

Fixed in:460.32.03-0ubuntu0.18.04.1USN-4689-1

Fixed in:460.32.03-0ubuntu0.20.04.1USN-4689-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

1.78%probability of exploitation in 30 days

76thpercentile

Elevated risk: more likely to be exploited than 76% of all known CVEs.

References

Vendor Advisory1

nvidia.custhelp.com

Third-Party Advisory2

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2013-0632	Critical	9.8	94%	KEV	-
CVE-2017-11610	High	8.8	88%	-	Fix
CVE-2023-29919	Critical	9.1	60%	-	-
CVE-2019-17124	Critical	9.8	23%	-	-
CVE-2020-12608	High	7.8	22%	-	Fix
CVE-2021-3437	Critical	9.8	16%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.