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Ubuntu 25.10 PackageKit High Privilege Escalation USN-8195-1

PackageKit could be made to install packages as the administrator.. ========================================================================== Ubuntu Security Notice USN-8195-1 April 22, 2026 packagekit vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: PackageKit could be made to install packages as the administrator. Software Description: - packagekit: Provides a package management service Details: It was discovered that PackageKit incorrectly handled certain transactions. A local attacker could use this issue to install arbitrary packages as root, possibly resulting in privilege escalation. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 packagekit 1.3.1-1ubuntu1.1 Ubuntu 24.04 LTS packagekit 1.2.8-2ubuntu1.5 Ubuntu 22.04 LTS packagekit 1.2.5-2ubuntu3.1 After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8195-1 https://launchpad.net/bugs/2149908 Package Information: https://launchpad.net/ubuntu/+source/packagekit/1.3.1-1ubuntu1.1 https://launchpad.net/ubuntu/+source/packagekit/1.2.8-2ubuntu1.5 https://launchpad.net/ubuntu/+source/packagekit/1.2.5-2ubuntu3.1 . PackageKit vulnerability in Ubuntu allows local attackers to install packages as root. Immediate updates recommended for security.. Privilege Escalation, Package Management, Ubuntu Security. . Severity: Critical. LinuxSecurity.com Team

Apr 22, 2026 •Critical Ubuntu