Ubuntu 20.04 LTS USN-4404-1 Critical: NVIDIA Driver Exploits

ubuntu

June 25, 2020

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-440: NVIDIA binary X.Org driver

Details:

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.

(CVE-2020-5963)

It was discovered that the UVM driver in the NVIDIA graphics driver

contained a race condition. A local attacker could use this to cause a

denial of service. (CVE-2020-5967)

It was discovered that the NVIDIA virtual GPU guest drivers contained

an unspecified vulnerability that could potentially lead to privileged

operation execution. An attacker could use this to cause a denial of

service. (CVE-2020-5973)

Topics Covered

security advisory denial of service access control update instructions ubuntu nvidia drivers

Update Instructions

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

Ubuntu 20.04 LTS:
  xserver-xorg-video-nvidia-390   390.138-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-440   440.100-0ubuntu0.20.04.1

Ubuntu 19.10:
  xserver-xorg-video-nvidia-390   390.138-0ubuntu0.19.10.1
  xserver-xorg-video-nvidia-440   440.100-0ubuntu0.19.10.1

Ubuntu 18.04 LTS:
  xserver-xorg-video-nvidia-390   390.138-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-440   440.100-0ubuntu0.18.04.1

After a standard system update you need to reboot your computer to make
all the necessary changes.