CVE-2025-40103 is a low severity vulnerability with a CVSS score of 0.0. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.