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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2025-9640

Samba: vfs_streams_xattr uninitialized memory write possible

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
redhat

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

samba

Default version status: unaffected

  • 0 to < 4.21.9affected
  • 4.22.0 to < 4.21.5affected
  • 4.23.0 to < 4.23.2affected

Red Hat Red Hat Enterprise Linux 10

Default version status: affected

Red Hat Red Hat Enterprise Linux 6

Default version status: affected

Red Hat Red Hat Enterprise Linux 6

Default version status: affected

Red Hat Red Hat Enterprise Linux 7

Default version status: affected

Red Hat Red Hat Enterprise Linux 8

Default version status: affected

Red Hat Red Hat Enterprise Linux 9

Default version status: affected

Red Hat Red Hat OpenShift Container Platform 4

Default version status: affected

Red Hat Red Hat OpenShift Container Platform 4

Default version status: affected

References