Missing Release of Resource after Effective Lifetime in Samba - #VU131186
Published: May 12, 2026
Vulnerability identifier: #VU131186
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-772
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Samba
Affected software:
Samba
Samba
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to a file descriptor leak in vfs_glusterfs when handling directory operations over persistent SMB2 connections. A local user can maintain persistent SMB2 connections to cause a denial of service.
The issue results in unbounded memory growth on the GlusterFS brick.
Remediation
Install security update from vendor's website.