Ubuntu alert USN-4656-1 (xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04)
| From: | Marc Deslauriers <marc.deslauriers@canonical.com> | |
| To: | "ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> | |
| Subject: | [USN-4656-1] X.Org X Server vulnerabilities | |
| Date: | Tue, 01 Dec 2020 12:13:21 -0500 | |
| Message-ID: | <43cb8707-0741-82e4-cc86-bbb3875462a2@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4656-1 December 01, 2020 xorg-server, xorg-server-hwe-16.04, xorg-server-hwe-18.04 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS Summary: Several security issues were fixed in X.Org X Server. Software Description: - xorg-server: X.Org X11 server - xorg-server-hwe-18.04: X.Org X11 server - xorg-server-hwe-16.04: X.Org X11 server Details: Jan-Niklas Sohn discovered that the X.Org X Server XKB extension incorrectly handled certain inputs. A local attacker could possibly use this issue to escalate privileges. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: xserver-xorg-core 2:1.20.9-2ubuntu1.1 Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.8-2ubuntu2.6 Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.8 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.4 Ubuntu 16.04 LTS: xserver-xorg-core 2:1.18.4-0ubuntu0.11 xserver-xorg-core-hwe-16.04 2:1.19.6-1ubuntu4.1~16.04.5 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://usn.ubuntu.com/4656-1 CVE-2020-14360, CVE-2020-25712 Package Information: https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.9... https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.8... https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6... https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.0... https://launchpad.net/ubuntu/+source/xorg-server/2:1.18.4... https://launchpad.net/ubuntu/+source/xorg-server-hwe-16.0... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...