USN-4689-3: NVIDIA graphics drivers vulnerabilities

Publication date

20 January 2021

Overview

Several security issues were fixed in NVIDIA graphics drivers.


Packages

Details

It was discovered that the NVIDIA GPU display driver for the Linux kernel
contained a vulnerability that allowed user-mode clients to access legacy
privileged APIs. A local attacker could use this to cause a denial of
service or escalate privileges. (CVE-2021-1052)

It was discovered that the NVIDIA GPU display driver for the Linux kernel
did not properly validate a pointer received from userspace in some
situations. A local attacker could use this to cause a denial of service.
(CVE-2021-1053)

Xinyuan Lyu discovered that the NVIDIA GPU display driver for the Linux
kernel did not properly restrict device-level GPU isolation. A local
attacker could use this to cause a denial of service or possibly expose
sensitive information. (CVE-2021-1056)

It was discovered that the NVIDIA GPU display driver for the Linux kernel
contained a vulnerability that allowed user-mode clients to access legacy
privileged APIs. A local attacker could use this to cause a denial of
service or escalate privileges. (CVE-2021-1052)

It was discovered that the NVIDIA GPU display driver for the Linux kernel
did not properly validate a pointer received from userspace in some
situations. A local attacker could use this to cause a denial of service.
(CVE-2021-1053)

Xinyuan Lyu discovered that the NVIDIA GPU display driver for the Linux
kernel did not properly restrict device-level GPU isolation. A local
attacker could use this to cause a denial of service or possibly expose
sensitive information. (CVE-2021-1056)

Update instructions

This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.10 groovy nvidia-dkms-418-server –  418.181.07-0ubuntu0.20.10.1
nvidia-dkms-440-server –  450.102.04-0ubuntu0.20.10.1
nvidia-dkms-450-server –  450.102.04-0ubuntu0.20.10.1
nvidia-kernel-common-418-server –  418.181.07-0ubuntu0.20.10.1
nvidia-kernel-common-440-server –  450.102.04-0ubuntu0.20.10.1
nvidia-kernel-common-450-server –  450.102.04-0ubuntu0.20.10.1
nvidia-kernel-source-418-server –  418.181.07-0ubuntu0.20.10.1
nvidia-kernel-source-440-server –  450.102.04-0ubuntu0.20.10.1
nvidia-kernel-source-450-server –  450.102.04-0ubuntu0.20.10.1
nvidia-utils-418-server –  418.181.07-0ubuntu0.20.10.1
nvidia-utils-440-server –  450.102.04-0ubuntu0.20.10.1
nvidia-utils-450-server –  450.102.04-0ubuntu0.20.10.1
xserver-xorg-video-nvidia-418-server –  418.181.07-0ubuntu0.20.10.1
xserver-xorg-video-nvidia-440-server –  450.102.04-0ubuntu0.20.10.1
xserver-xorg-video-nvidia-450-server –  450.102.04-0ubuntu0.20.10.1
20.04 focal nvidia-dkms-418-server –  418.181.07-0ubuntu0.20.04.1
nvidia-dkms-440-server –  450.102.04-0ubuntu0.20.04.1
nvidia-dkms-450-server –  450.102.04-0ubuntu0.20.04.1
nvidia-kernel-common-418-server –  418.181.07-0ubuntu0.20.04.1
nvidia-kernel-common-440-server –  450.102.04-0ubuntu0.20.04.1
nvidia-kernel-common-450-server –  450.102.04-0ubuntu0.20.04.1
nvidia-kernel-source-418-server –  418.181.07-0ubuntu0.20.04.1
nvidia-kernel-source-440-server –  450.102.04-0ubuntu0.20.04.1
nvidia-kernel-source-450-server –  450.102.04-0ubuntu0.20.04.1
nvidia-utils-418-server –  418.181.07-0ubuntu0.20.04.1
nvidia-utils-440-server –  450.102.04-0ubuntu0.20.04.1
nvidia-utils-450-server –  450.102.04-0ubuntu0.20.04.1
xserver-xorg-video-nvidia-418-server –  418.181.07-0ubuntu0.20.04.1
xserver-xorg-video-nvidia-440-server –  450.102.04-0ubuntu0.20.04.1
xserver-xorg-video-nvidia-450-server –  450.102.04-0ubuntu0.20.04.1
18.04 bionic nvidia-dkms-418-server –  418.181.07-0ubuntu0.18.04.1
nvidia-dkms-440-server –  450.102.04-0ubuntu0.18.04.1
nvidia-dkms-450-server –  450.102.04-0ubuntu0.18.04.1
nvidia-kernel-common-418-server –  418.181.07-0ubuntu0.18.04.1
nvidia-kernel-common-440-server –  450.102.04-0ubuntu0.18.04.1
nvidia-kernel-common-450-server –  450.102.04-0ubuntu0.18.04.1
nvidia-kernel-source-418-server –  418.181.07-0ubuntu0.18.04.1
nvidia-kernel-source-440-server –  450.102.04-0ubuntu0.18.04.1
nvidia-kernel-source-450-server –  450.102.04-0ubuntu0.18.04.1
nvidia-utils-418-server –  418.181.07-0ubuntu0.18.04.1
nvidia-utils-440-server –  450.102.04-0ubuntu0.18.04.1
nvidia-utils-450-server –  450.102.04-0ubuntu0.18.04.1
xserver-xorg-video-nvidia-418-server –  418.181.07-0ubuntu0.18.04.1
xserver-xorg-video-nvidia-440-server –  450.102.04-0ubuntu0.18.04.1
xserver-xorg-video-nvidia-450-server –  450.102.04-0ubuntu0.18.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›