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==========================================================================
Ubuntu Security Notice USN-5019-1
July 21, 2021

nvidia-graphics-drivers-390, nvidia-graphics-drivers-418-server,
nvidia-graphics-drivers-450-server, nvidia-graphics-drivers-460,
nvidia-graphics-drivers-460-server, nvidia-graphics-drivers-470
vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in the NVIDIA graphics drivers.

Software Description:
- nvidia-graphics-drivers-390: NVIDIA binary X.Org driver
- nvidia-graphics-drivers-418-server: NVIDIA Server Driver
- nvidia-graphics-drivers-450-server: NVIDIA Server Driver
- nvidia-graphics-drivers-460: NVIDIA binary X.Org driver
- nvidia-graphics-drivers-460-server: NVIDIA Server Driver
- nvidia-graphics-drivers-470: NVIDIA binary X.Org driver

Details:

It was discovered that an assert() could be triggered in the NVIDIA
graphics drivers. A local attacker could use this to cause a denial
of service. (CVE-2021-1093)

It was discovered that the NVIDIA graphics drivers permitted an
out-of-bounds array access. A local attacker could use this
to cause a denial of service or possibly expose sensitive
information. (CVE-2021-1094)

It was discovered that the NVIDIA graphics drivers contained a
vulnerability in the kernel mode layer where they did not properly
control calls with embedded parameters in some situations. A local
attacker could use this to cause a denial of service.  (CVE-2021-1095)

Update instructions:

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

Ubuntu 21.04:
  xserver-xorg-video-nvidia-390   390.144-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-418-server  418.211.00-0ubunt0.21.04.1
  xserver-xorg-video-nvidia-440-server  450.142.00-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-450   460.91.03-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-450-server  450.142.00-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-455   460.91.03-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-460   460.91.03-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-460-server  460.91.03-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-465   470.57.02-0ubuntu0.21.04.1
  xserver-xorg-video-nvidia-470   470.57.02-0ubuntu0.21.04.1

Ubuntu 20.10:
  xserver-xorg-video-nvidia-390   390.144-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-418-server  418.211.00-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-440-server  450.142.00-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-450   460.91.03-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-450-server  450.142.00-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-455   460.91.03-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-460   460.91.03-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-460-server  460.91.03-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-465   470.57.02-0ubuntu0.20.10.1
  xserver-xorg-video-nvidia-470   470.57.02-0ubuntu0.20.10.1

Ubuntu 20.04 LTS:
  xserver-xorg-video-nvidia-390   390.144-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-418-server  418.211.00-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-440-server  450.142.00-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-450   460.91.03-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-450-server  450.142.00-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-455   460.91.03-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-460   460.91.03-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-460-server  460.91.03-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-465   470.57.02-0ubuntu0.20.04.1
  xserver-xorg-video-nvidia-470   470.57.02-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  xserver-xorg-video-nvidia-390   390.144-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-418-server  418.211.00-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-440-server  450.142.00-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-450   460.91.03-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-450-server  450.142.00-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-455   460.91.03-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-460   460.91.03-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-460-server  460.91.03-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-465   470.57.02-0ubuntu0.18.04.1
  xserver-xorg-video-nvidia-470   470.57.02-0ubuntu0.18.04.1

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

References:
  https://ubuntu.com/security/notices/USN-5019-1
  CVE-2021-1093, CVE-2021-1094, CVE-2021-1095

Package Information:
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.144-0ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-418-server/418.211.00-0ubunt0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-450-server/450.142.00-0ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/460.91.03-0ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460-server/460.91.03-0ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/470.57.02-0ubuntu0.21.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.144-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-418-server/418.211.00-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-450-server/450.142.00-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/460.91.03-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460-server/460.91.03-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/470.57.02-0ubuntu0.20.10.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.144-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-418-server/418.211.00-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-450-server/450.142.00-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/460.91.03-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460-server/460.91.03-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/470.57.02-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-390/390.144-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-418-server/418.211.00-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-450-server/450.142.00-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460/460.91.03-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-460-server/460.91.03-0ubuntu0.18.04.1
  https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-470/470.57.02-0ubuntu0.18.04.1


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