USN-7536-1: cifs-utils vulnerability

Publication date

27 May 2025

Overview

cifs-utils could be made to expose sensitive information.


Packages

  • cifs-utils - Common Internet File System utilities

Details

It was discovered that cifs-utils incorrectly handled namespaces when
obtaining Kerberos credentials. An attacker could possibly use this issue
to obtain sensitive information.

It was discovered that cifs-utils incorrectly handled namespaces when
obtaining Kerberos credentials. An attacker could possibly use this issue
to obtain sensitive information.

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
24.10 oracular cifs-utils –  2:7.0-2.1ubuntu0.1
24.04 noble cifs-utils –  2:7.0-2ubuntu0.1
22.04 jammy cifs-utils –  2:6.14-1ubuntu0.2
20.04 focal cifs-utils –  2:6.9-1ubuntu0.3

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›