USN-7723-1: UDisks vulnerability

Publication date

28 August 2025

Overview

UDisks could be made to crash or run programs if it received specially crafted input.


Packages

  • udisks2 - service to access and manipulate storage devices

Details

Michael Imfeld discovered that UDisks did not check the validity of input
data correctly when handling files for loop devices. An attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code.

Michael Imfeld discovered that UDisks did not check the validity of input
data correctly when handling files for loop devices. An attacker could
possibly use this issue to cause a denial of service or execute arbitrary
code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
25.04 plucky libudisks2-0 –  2.10.1-11ubuntu2.3
udisks2 –  2.10.1-11ubuntu2.3
24.04 noble libudisks2-0 –  2.10.1-6ubuntu1.3
udisks2 –  2.10.1-6ubuntu1.3
22.04 jammy libudisks2-0 –  2.9.4-1ubuntu2.3
udisks2 –  2.9.4-1ubuntu2.3
20.04 focal libudisks2-0 –  2.8.4-1ubuntu2+esm2  
udisks2 –  2.8.4-1ubuntu2+esm2  
18.04 bionic libudisks2-0 –  2.7.6-3ubuntu0.2+esm2  
udisks2 –  2.7.6-3ubuntu0.2+esm2  
16.04 xenial libudisks2-0 –  2.1.7-1ubuntu1+esm1  
udisks2 –  2.1.7-1ubuntu1+esm1  
14.04 trusty libudisks2-0 –  2.1.3-1ubuntu0.1+esm1  
udisks2 –  2.1.3-1ubuntu0.1+esm1  

Reduce your security exposure

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Have additional questions?

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