CVE Vulnerabilities

CVE-2025-9640

Use of Uninitialized Resource

Published: Oct 15, 2025 | Modified: Oct 15, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
4.3 IMPORTANT
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Ubuntu
LOW

A flaw was found in Samba, in the vfs_streams_xattr module, where uninitialized heap memory could be written into alternate data streams. This allows an authenticated user to read residual memory content that may include sensitive data, resulting in an information disclosure vulnerability.

Weakness

The product uses or accesses a resource that has not been initialized.

Affected Software

Name Vendor Start Version End Version
Samba Ubuntu jammy *
Samba Ubuntu noble *
Samba Ubuntu plucky *
Samba Ubuntu questing *

Potential Mitigations

References