1. Ubuntu Security Notices
  2. USN-3737-1

USN-3737-1: GDM vulnerability

Publication date

13 August 2018

Overview

GDM could be made to crash or run programs as the administrator.

Releases

Packages

  • gdm3 - GNOME Display Manager

Details

A use-after-free was discovered in GDM. A local user could exploit this to
cause a denial of service, or potentially execute arbitrary code as the
administrator.

A use-after-free was discovered in GDM. A local user could exploit this to
cause a denial of service, or potentially execute arbitrary code as the
administrator.

Update instructions

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
18.04 bionic gdm3 –  3.28.2-0ubuntu1.4

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References

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