#ubuntu

Ubuntu Security Notice 7061-1 - Hunter Wittenborn discovered that Go incorrectly handled the sanitization of environment variables. An attacker could possibly use this issue to run arbitrary commands. Sohom Datta discovered that Go did not properly validate backticks as Javascript string delimiters, and did not escape them as expected. An attacker could possibly use this issue to inject arbitrary Javascript code into the Go template.

Ubuntu Security Notice 7022-3 - Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

Ubuntu Security Notice 7060-1 - It was discovered that EDK II did not check the buffer length in XHCI, which could lead to a stack overflow. A local attacker could potentially use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources, leading to a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Ubuntu Security Notice 7059-1 - Fabian Vogt discovered that OATH Toolkit incorrectly handled file permissions. A remote attacker could possibly use this issue to overwrite root owned files, leading to a privilege escalation attack.

Ubuntu Security Notice 7043-4 - USN-7043-1 fixed vulnerabilities in cups-filters. This update improves the fix for CVE-2024-47176 by removing support for the legacy CUPS printer discovery protocol entirely. Simone Margaritelli discovered that the cups-filters cups-browsed component could be used to create arbitrary printers from outside the local network. In combination with issues in other printing components, a remote attacker could possibly use this issue to connect to a system, created manipulated PPD files, and execute arbitrary code when a printer is used. This update disables support for the legacy CUPS printer discovery protocol. Simone Margaritelli discovered that cups-filters incorrectly sanitized IPP data when creating PPD files. A remote attacker could possibly use this issue to manipulate PPD files and execute arbitrary code when a printer is used.

Ubuntu Security Notice 7042-2 - USN-7042-1 fixed a vulnerability in cups-browsed. This update improves the fix by removing support for the legacy CUPS printer discovery protocol entirely. Simone Margaritelli discovered that cups-browsed could be used to create arbitrary printers from outside the local network. In combination with issues in other printing components, a remote attacker could possibly use this issue to connect to a system, created manipulated PPD files, and execute arbitrary code when a printer is used. This update disables support for the legacy CUPS printer discovery protocol.

Ubuntu Security Notice 7058-1 - Brennan Conroy discovered that the .NET Kestrel web server did not properly handle closing HTTP/3 streams under certain circumstances. An attacker could possibly use this issue to achieve remote code execution. This vulnerability only impacted Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. It was discovered that .NET components designed to process malicious input were susceptible to hash flooding attacks. An attacker could possibly use this issue to cause a denial of service, resulting in a crash.

Ubuntu Security Notice 7057-2 - USN-7057-1 fixed a vulnerability in WEBrick. This update provides the corresponding updates for Ubuntu 22.04 LTS. It was discovered that WEBrick incorrectly handled having both a Content- Length header and a Transfer-Encoding header. A remote attacker could possibly use this issue to perform a HTTP request smuggling attack.

Ubuntu Security Notice 7014-2 - USN-7014-1 fixed a vulnerability in nginx. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. It was discovered that the nginx ngx_http_mp4 module incorrectly handled certain malformed mp4 files. In environments where the mp4 directive is in use, a remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service.

**What actions do customers need to take to protect themselves from this vulnerability?** Customers with Ubuntu Linux or Azure Linux based Azure Kubernetes Service (AKS) Node Pools using NVIDIA GPU driver configurations are affected by this vulnerability. Please see below for details on how to update your resources to be protected against this vulnerability. 1. Customers with Azure Linux based AKS Node Pool resources must manually install AKS Node image version 2024.1009.1 to be protected against this vulnerability by running the following CLI command: tdnf install https://packages.microsoft.com/cbl-mariner/2.0/prod/base/x86_64/Packages/n/nvidia-container-toolkit-1.16.2-1.cm2.x86_64.rpm **Note:** The AKS node image, version 20241009.1, will be deployed in November and contain this package by default. Customers can monitor the status of this deployment by using AKS Release Tracker. 2. Customers with Ubuntu Linux based AKS Node Pool resources must manually upgr...