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Ubuntu 20.04, 18.04 USN-7578-2 critical: UDisks local privilege escalation

UDisks could be made to run programs as an administrator.. ========================================================================== Ubuntu Security Notice USN-7578-2 June 18, 2025 udisks2 vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS Summary: UDisks could be made to run programs as an administrator. Software Description: - udisks2: service to access and manipulate storage devices Details: USN-7578-1 fixed a vulnerability in UDisks. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that UDisks incorrectly handled mount options when resizing certain filesystems. A local attacker with an active session on the console can use this issue to escalate their privileges to root. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS libudisks2-0 2.8.4-1ubuntu2+esm1 Available with Ubuntu Pro udisks2 2.8.4-1ubuntu2+esm1 Available with Ubuntu Pro Ubuntu 18.04 LTS libudisks2-0 2.7.6-3ubuntu0.2+esm1 Available with Ubuntu Pro udisks2 2.7.6-3ubuntu0.2+esm1 Available with Ubuntu Pro After a standard system update you need to reboot your computer to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7578-2 https://ubuntu.com/security/notices/USN-7578-1 CVE-2025-6019 . The CVE-2023-XXXX flaw in UDisks grants unauthorized users the potential to escalate their permissions on Ubuntu installations.. UDisks2, Ubuntu Security Notice, local privilege escalation. . Severity: Critical. LinuxSecurity.com Team

Jun 18, 2025 •Critical Ubuntu