Fedora 42 smb4k 4.0.6 Critical Local Root Exploit Vulnerabilities Revealed
fedora
April 18, 2026
Update to version 4.0.6
Summary
Smb4K is an SMB/CIFS share browser for KDE. It uses the Samba software suite to
access the SMB/CIFS shares of the local network neighborhood. Its purpose is to
provide a program that's easy to use and has as many features as possible.
Update Information:
Update to version 4.0.6
Topics Covered
Change Log
* Sun Feb 15 2026 Packit
References
[ 1 ] Bug #2365800 - smb4k-4.0.6 is available
https://bugzilla.redhat.com/show_bug.cgi?id=2365800
[ 2 ] Bug #2443263 - CVE-2025-66003 smb4k: smb4k local root exploit [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2443263
[ 3 ] Bug #2443267 - CVE-2025-66002 smb4k: SMB4K Arbitrary Mount [fedora-42]
https://bugzilla.redhat.com/show_bug.cgi?id=2443267
Update Instructions
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-4ce552d940' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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Name: smb4k
Product: Fedora 42
Version: 4.0.6
Release: 1.fc42
Summary: The SMB/CIFS Share Browser for KDE
Topics Covered
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