Vulnerability in Red Hat Enterprise Linux 10
CVE-2025-9640
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, re…
EPSS: 0.004 (33.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_REDHAT, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking)
- secalert@redhat.com
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-9640?
- CVE-2025-9640 is a medium-severity vulnerability in Red Hat Enterprise Linux 10, classified under Use of Uninitialized Resource. CVSS score: 4.3/10. Published 2025-10-15.
- How severe is CVE-2025-9640?
- Medium severity. CVSS v3 base score is 4.3 out of 10.