CVE-2025-9640

Publication date 15 October 2025

Last updated 20 October 2025


Ubuntu priority

Cvss 3 Severity Score

4.3 · Medium

Score breakdown

Description

uninitialized memory disclosure via vfs_streams_xattr

Why is this CVE low priority?

Samba developers have rated this a low severity issue

Learn more about Ubuntu priority

Status

Package Ubuntu Release Status
samba 25.10 questing
Fixed 2:4.22.3+dfsg-4ubuntu2.1
25.04 plucky
Fixed 2:4.21.4+dfsg-1ubuntu3.5
24.04 LTS noble
Fixed 2:4.19.5+dfsg-4ubuntu9.4
22.04 LTS jammy
Fixed 2:4.15.13+dfsg-0ubuntu1.10
20.04 LTS focal
Fixed 2:4.15.13+dfsg-0ubuntu0.20.04.8+esm1
18.04 LTS bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.29+esm3
16.04 LTS xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.34+esm4
14.04 LTS trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm15

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Severity score breakdown

Parameter Value
Base score 4.3 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

Related Ubuntu Security Notices (USN)

Other references