--- title: "CVE-2022-46342\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2022-46342?format=md keywords: index, follow --- # CVE-2022-46342 Publication date 14 December 2022 Last updated 25 August 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) ## Cvss 3 Severity Score **8.8 · High** [Score breakdown](https://ubuntu.com/security/CVE-2022-46342?format=md#impact-score) Toggle side navigation ## Description A vulnerability was found in X.Org. This security flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This issue can lead to local privileges elevation on systems where the X se [Read the notes from the security team](https://ubuntu.com/security/CVE-2022-46342?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | xorg-server | 23.04 lunar | Fixed 2:21.1.5-1ubuntu1 | | 22.10 kinetic | Fixed 2:21.1.4-2ubuntu1.3 | | 22.04 LTS jammy | Fixed 2:21.1.3-2ubuntu2.5 | | 20.04 LTS focal | Fixed 2:1.20.13-1ubuntu1~20.04.5 | | 18.04 LTS bionic | Fixed 2:1.19.6-1ubuntu4.13 | | 16.04 LTS xenial | Fixed 2:1.18.4-0ubuntu0.12+esm5 Ubuntu Pro | | 14.04 LTS trusty | Fixed 2:1.15.1-0ubuntu2.11+esm7 Ubuntu Pro | | xorg-server-hwe-16.04 | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Fixed 2:1.19.6-1ubuntu4.1~16.04.6+esm4 Ubuntu Pro | | 14.04 LTS trusty | Not in release | | xorg-server-hwe-18.04 | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Fixed 2:1.20.8-2ubuntu2.2~18.04.9 | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | | xorg-server-lts-utopic | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Ignored end of standard support | | xorg-server-lts-vivid | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Ignored end of standard support | | xorg-server-lts-wily | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Ignored end of standard support | | xorg-server-lts-xenial | 22.10 kinetic | Not in release | | 22.04 LTS jammy | Not in release | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Ignored end of standard support | | xwayland | 23.04 lunar | Fixed 2:22.1.6-1 | | 22.10 kinetic | Fixed 2:22.1.3-2ubuntu0.2 | | 22.04 LTS jammy | Fixed 2:22.1.1-1ubuntu0.4 | | 20.04 LTS focal | Not in release | | 18.04 LTS bionic | Not in release | | 16.04 LTS xenial | Not in release | | 14.04 LTS trusty | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ### Get expanded security coverage with Ubuntu Pro Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. 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[Get Ubuntu Pro](https://ubuntu.com/pro) [30-day free trial](https://ubuntu.com/pro/free-trial) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) xorg server is actually the xorg-server package the xorg package only contains docs xwayland package contains parts of xorg-server This is ZDI-CAN-19400 ## Severity score breakdown CVSS version: CVSS v3.0 **Base score** 8.8 · High * Base metrics | Parameter | Value | | --- | --- | | Attack vector | Network | | Attack complexity | Low | | Privileges required | Low | | User interaction | None | | Scope | Unchanged | | Confidentiality impact | High | | Integrity impact | High | | Availability impact | High | * Scores | Parameter | Value | | --- | --- | | Base score | 8.8 · High | | Exploitability score | - | | Impact score | - | **Vector:** CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-46342) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2022-46342) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2022-46342) * [Debian](https://security-tracker.debian.org/tracker/CVE-2022-46342) ### Related Ubuntu Security Notices (USN) + [USN-5778-1](https://usn.ubuntu.com/USN-5778-1) + X.Org X Server vulnerabilities + 14 December 2022 + [USN-5778-2](https://usn.ubuntu.com/USN-5778-2) + X.Org X Server vulnerabilities + 16 February 2023 ### Other references *