| Name | CVE-2025-40285 |
| Description | In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible refcount leak in smb2_sess_setup() Reference count of ksmbd_session will leak when session need reconnect. Fix this by adding the missing ksmbd_user_session_put(). |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4436-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.247-1 | fixed | |
| bookworm | 6.1.159-1 | fixed | |
| bookworm (security) | 6.1.158-1 | vulnerable | |
| trixie | 6.12.63-1 | fixed | |
| trixie (security) | 6.12.48-1 | vulnerable | |
| forky | 6.17.13-1 | fixed | |
| sid | 6.18.5-1 | fixed | |
| linux-6.1 (PTS) | bullseye (security) | 6.1.159-1~deb11u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | bullseye | (not affected) | |||
| linux | source | bookworm | 6.1.159-1 | |||
| linux | source | trixie | 6.12.63-1 | |||
| linux | source | (unstable) | 6.17.9-1 | |||
| linux-6.1 | source | bullseye | 6.1.159-1~deb11u1 | DLA-4436-1 |
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/379510a815cb2e64eb0a379cb62295d6ade65df0 (6.18-rc2)