========================================================================== Ubuntu Security Notice USN-7826-1 October 16, 2025
samba vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Samba. Software Description: - samba: SMB/CIFS file, print, and login server for Unix Details: Andrew Walker discovered that Samba incorrectly initialized memory in the vfs_streams_xattr module. An authenticated attacker could possibly use this issue to obtain sensitive information. (CVE-2025-9640) Igor Morgenstern discovered that Samba incorrectly handled names passed to the WINS hook program. An attacker could possibly use this issue to execute arbitrary code. (CVE-2025-10230) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 samba 2:4.22.3+dfsg-4ubuntu2.1 Ubuntu 25.04 samba 2:4.21.4+dfsg-1ubuntu3.5 Ubuntu 24.04 LTS samba 2:4.19.5+dfsg-4ubuntu9.4 Ubuntu 22.04 LTS samba 2:4.15.13+dfsg-0ubuntu1.10 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7826-1 CVE-2025-10230, CVE-2025-9640 Package Information: https://launchpad.net/ubuntu/+source/samba/2:4.22.3+dfsg-4ubuntu2.1 https://launchpad.net/ubuntu/+source/samba/2:4.21.4+dfsg-1ubuntu3.5 https://launchpad.net/ubuntu/+source/samba/2:4.19.5+dfsg-4ubuntu9.4 https://launchpad.net/ubuntu/+source/samba/2:4.15.13+dfsg-0ubuntu1.10
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