Ubuntu 20.10 Moderate: NVIDIA Drivers Denial Of Service Risk

ubuntu

January 11, 2021

Several security issues were fixed in NVIDIA graphics drivers.

Summary

Several security issues were fixed in NVIDIA graphics drivers.

Software Description:

- nvidia-graphics-drivers-390: NVIDIA binary X.Org driver

- nvidia-graphics-drivers-450: NVIDIA binary X.Org driver

- nvidia-graphics-drivers-460: NVIDIA binary X.Org driver

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 in...

Read the Full Advisory

Topics Covered

security advisory denial of service high severity software update high ubuntu nvidia drivers NVIDIA drivers

Update Instructions

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

Ubuntu 20.10:
  xserver-xorg-video-nvidia-390   390.141-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-440   450.102.04-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-450   450.102.04-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-455   460.32.03-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-460   460.32.03-0ubuntu0.20.10.1

Ubuntu 20.04 LTS:
  xserver-xorg-video-nvidia-390   390.141-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-440   450.102.04-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-450   450.102.04-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-455   460.32.03-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-460   460.32.03-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  xserver-xorg-video-nvidia-390   390.141-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-440   450.102.04-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-450   450.102.04-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-455   460.32.03-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-460   460.32.03-0ubuntu0.18.04.1

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.