VDB
DEBIAN-CVE-2025-40103
DEBIAN-CVE-2025-40103
PUBLISHED
CVSS 9.300000190734863 CRITICAL
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.
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:12 | linux | 0, 6.1.67-1, 6.1.106-3 |
| Debian:11 | linux | 6.11.10-1, 6.16.7-1, 6.16.8-1 |
| Debian:13 | linux | 0, 6.12.38-1, 6.12.43-1~bpo12+1 |
| Debian:14 | linux | 6.16.7-1, 6.16.8-1, 6.16.9-1 |
| Debian:11 | linux-6.1 | 0, 0, 6.1.106-3 |
Exploit Intelligence
- 4081.3.7.yml (github-poc)
Timeline
- Oct 30, 2025 CVE Published
- Apr 28, 2026 CVE Updated