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[USN-7578-2] UDisks vulnerability

Posted on 18 June 2025
Ubuntu Security

==========================================================================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


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