CVE-2025-40103

smb: client: Fix refcount leak for cifs_sb_tlink

References

Notes

 carnil> Introduced in 8ceb98437946 ("CIFS: Move rename to ops struct")
 carnil> 2f1afe25997f ("cifs: Use smb 2 - 3 and cifsacl mount options getacl functions")
 carnil> 366ed846df60 ("cifs: Use smb 2 - 3 and cifsacl mount options setacl function").
 carnil> Vulnerable versions: 3.7.

Bugs

Status

Branch Status
upstream released (6.18-rc2) [c2b77f42205ef485a647f62082c442c1cd69d3fc]
6.18-upstream-stable N/A "Fixed before branching point"
6.17-upstream-stable released (6.17.5) [896bb31e1416f582503db1350cf1bd10dc64e5a6]
6.12-upstream-stable released (6.12.55) [e15605b68b490186da2ad8029c0351a9cfb0b9af]
6.6-upstream-stable released (6.6.114) [d7dd034c14928306db1b46be277ae439b84dacf9]
6.1-upstream-stable released (6.1.158) [790282abe9d805f08618c1c24ea2529e7259b692]
5.10-upstream-stable needed
sid released (6.17.6-1)
6.12-trixie-security released (6.12.57-1)
6.1-bookworm-security released (6.1.158-1)
5.10-bullseye-security needed