A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of proper validation of user-supplied data, which can result in a memory access past the end of an allocated buffer. This flaw allows an attacker to escalate privileges and execute arbitrary code in the context of root.
{ "binaries": [ { "binary_name": "xdmx", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xdmx-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xdmx-tools", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xdmx-tools-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xmir", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xmir-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xnest", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xorg-server-source", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-common", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xephyr", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-core-dbg", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-core-udeb", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-core-udeb-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-legacy", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-legacy-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xserver-xorg-xmir", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xvfb", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xwayland", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" }, { "binary_name": "xwayland-dbgsym", "binary_version": "2:1.18.4-0ubuntu0.12+esm2" } ], "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium" }
{ "binaries": [ { "binary_name": "xmir-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xmir-hwe-16.04-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xorg-server-source-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xephyr-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xephyr-hwe-16.04-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xorg-core-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xorg-core-hwe-16.04-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xorg-dev-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xorg-legacy-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xserver-xorg-legacy-hwe-16.04-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xwayland-hwe-16.04", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" }, { "binary_name": "xwayland-hwe-16.04-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.1~16.04.6+esm1" } ], "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium" }
{ "binaries": [ { "binary_name": "xdmx", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xdmx-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xdmx-tools", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xdmx-tools-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xmir", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xmir-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xnest", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xorg-server-source", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-common", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xephyr", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-core-udeb", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-legacy", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-legacy-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xserver-xorg-xmir", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xvfb", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xwayland", "binary_version": "2:1.19.6-1ubuntu4.11" }, { "binary_name": "xwayland-dbgsym", "binary_version": "2:1.19.6-1ubuntu4.11" } ], "availability": "No subscription required", "ubuntu_priority": "medium" }
{ "binaries": [ { "binary_name": "xorg-server-source-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xephyr-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xephyr-hwe-18.04-dbgsym", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xorg-core-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xorg-core-hwe-18.04-dbgsym", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xorg-dev-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xorg-legacy-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xserver-xorg-legacy-hwe-18.04-dbgsym", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xwayland-hwe-18.04", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" }, { "binary_name": "xwayland-hwe-18.04-dbgsym", "binary_version": "2:1.20.8-2ubuntu2.2~18.04.7" } ], "availability": "No subscription required", "ubuntu_priority": "medium" }
{ "binaries": [ { "binary_name": "xdmx", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xdmx-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xdmx-tools", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xdmx-tools-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xnest", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xorg-server-source", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-common", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xephyr", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-core-udeb", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-legacy", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xserver-xorg-legacy-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xvfb", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xwayland", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" }, { "binary_name": "xwayland-dbgsym", "binary_version": "2:1.20.13-1ubuntu1~20.04.3" } ], "availability": "No subscription required", "ubuntu_priority": "medium" }
{ "binaries": [ { "binary_name": "xnest", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xnest-dbgsym", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xorg-server-source", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-common", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xephyr", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xephyr-dbgsym", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xorg-core", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xorg-core-dbgsym", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xorg-dev", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xorg-legacy", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xserver-xorg-legacy-dbgsym", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xvfb", "binary_version": "2:21.1.3-2ubuntu2.1" }, { "binary_name": "xvfb-dbgsym", "binary_version": "2:21.1.3-2ubuntu2.1" } ], "availability": "No subscription required", "ubuntu_priority": "medium" }