---
title: "CVE-2020-5963\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2020-5963?format=md
keywords: index, follow
---

# CVE-2020-5963

Publication date 24 June 2020

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**7.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2020-5963?format=md#impact-score)

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## Description

NVIDIA Windows GPU Display Driver, all versions, contains a vulnerability
in the Inter Process Communication APIs, in which improper access control
may lead to code execution, denial of service, or information disclosure.

### From the Ubuntu Security Team

Thomas E. Carroll discovered that the NVIDIA Cuda grpahics driver did
not properly perform access control when performing IPC. An attacker
could use this to cause a denial of service or possibly execute
arbitrary code.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nvidia-graphics-drivers-390 | 20.04 LTS focal | Fixed 390.138-0ubuntu0.20.04.1 |
| 19.10 eoan | Fixed 390.138-0ubuntu0.19.10.1 |
| 18.04 LTS bionic | Fixed 390.138-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |
| nvidia-graphics-drivers-440 | 20.04 LTS focal | Fixed 440.100-0ubuntu0.20.04.1 |
| 19.10 eoan | Fixed 440.100-0ubuntu0.19.10.1 |
| 18.04 LTS bionic | Fixed 440.100-0ubuntu0.18.04.1 |
| 16.04 LTS xenial | Not in release |
| 14.04 LTS trusty | Not in release |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Privileges required | Low |
  | User interaction | None |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.8 · High |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5963)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2020-5963)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2020-5963)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2020-5963)

### Related Ubuntu Security Notices (USN)

+ [USN-4404-2](https://usn.ubuntu.com/USN-4404-2)
+ Linux kernel vulnerabilities
+ 25 June 2020

+ [USN-4404-1](https://usn.ubuntu.com/USN-4404-1)
+ NVIDIA graphics drivers vulnerabilities
+ 25 June 2020

### Other references

* <https://nvidia.custhelp.com/app/answers/detail/a_id/5031>
* <https://www.cve.org/CVERecord?id=CVE-2020-5963>