USN-7564-1: Samba vulnerability
Publication date
10 June 2025
Overview
Samba could allow unintended access to network services.
Releases
Packages
- samba - SMB/CIFS file, print, and login server for Unix
Details
It was discovered that Samba incorrectly handled certain group membership
changes when using Kerberos authentication. A remote user could possibly
use this issue to continue to access resources after being removed by an
administrator.
It was discovered that Samba incorrectly handled certain group membership
changes when using Kerberos authentication. A remote user could possibly
use this issue to continue to access resources after being removed by an
administrator.
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 | samba – 2:4.21.4+dfsg-1ubuntu3.1 | ||
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