CVEvulnerability
CVE-2025-40103
- Status
- Deferred
- Published
- 2025-10-30
- Last modified
- 2026-10-19
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
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.
References
- https://git.kernel.org/stable/c/790282abe9d805f08618c1c24ea2529e7259b692 git.kernel.org
- https://git.kernel.org/stable/c/896bb31e1416f582503db1350cf1bd10dc64e5a6 git.kernel.org
- https://git.kernel.org/stable/c/c2b77f42205ef485a647f62082c442c1cd69d3fc git.kernel.org
- https://git.kernel.org/stable/c/d3c8ea197055c260119a13360e8202a27e53e1e4 git.kernel.org
- https://git.kernel.org/stable/c/d7dd034c14928306db1b46be277ae439b84dacf9 git.kernel.org
- https://git.kernel.org/stable/c/e15605b68b490186da2ad8029c0351a9cfb0b9af git.kernel.org