VULNERABILITY INTELLIGENCE
CVE-2025-40103
EPSS probability0.21%
CISA KEVNot currently listed
Published2025-10-30
Last modified2026-10-19
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifs_sb_tlink Fix three refcount inconsistency issues related to `cifs_sb_tlink`. Comments for `cifs_sb_tlink` state that `cifs_put_tlink()` needs to be called after successful calls to `cifs_sb_tlink()`. Three calls fail to update refcount accordingly, leading to possible resource leaks.