==========================================================================
Ubuntu Security Notice USN-4404-1
June 25, 2020
nvidia-graphics-drivers-390, nvidia-graphics-drivers-440 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
– Ubuntu 19.10
– Ubuntu 18.04 LTS
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)
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.
References:
https://usn.ubuntu.com/4404-1
CVE-2020-5963, CVE-2020-5967, CVE-2020-5973
Package Information:
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.138-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/440.100-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.138-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/440.100-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.138-0ubuntu0.18.04.1
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-440/440.100-0ubuntu0.18.04.1
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