| Name | CVE-2025-68786 |
| Description | In the Linux kernel, the following vulnerability has been resolved: ksmbd: skip lock-range check on equal size to avoid size==0 underflow When size equals the current i_size (including 0), the code used to call check_lock_range(filp, i_size, size - 1, WRITE), which computes `size - 1` and can underflow for size==0. Skip the equal case. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | vulnerable |
| bullseye (security) | 5.10.247-1 | vulnerable | |
| bookworm | 6.1.159-1 | vulnerable | |
| bookworm (security) | 6.1.158-1 | vulnerable | |
| trixie | 6.12.63-1 | vulnerable | |
| trixie (security) | 6.12.48-1 | vulnerable | |
| forky | 6.17.13-1 | vulnerable | |
| sid | 6.18.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | 6.18.3-1 |
https://git.kernel.org/linus/5d510ac31626ed157d2182149559430350cf2104 (6.19-rc1)