Description

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.

INFO

Published Date :

2025-10-15T12:47:29.871Z

Last Modified :

2025-11-26T21:03:48.216Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2025-9640 vulnerability.

Vendors Products
Redhat
  • Enterprise Linux
  • Openshift
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-9640.

URL Resource
http://www.openwall.com/lists/oss-security/2025/10/15/2 cve-icon
http://www.openwall.com/lists/oss-security/2025/10/16/2 cve-icon
https://access.redhat.com/security/cve/CVE-2025-9640 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2391698 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/11/msg00027.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-9640 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-9640 cve-icon
https://www.samba.org/samba/history/security.html cve-icon cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact