| Name | CVE-2025-22038 |
| Description | In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate zero num_subauth before sub_auth is accessed Access psid->sub_auth[psid->num_subauth - 1] without checking if num_subauth is non-zero leads to an out-of-bounds read. This patch adds a validation step to ensure num_subauth != 0 before sub_auth is accessed. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5907-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.234-1 | fixed |
| bookworm | 6.1.129-1 | vulnerable |
| bookworm (security) | 6.1.135-1 | fixed |
| sid, trixie | 6.12.27-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | bullseye | (not affected) | | | |
| linux | source | bookworm | 6.1.135-1 | | DSA-5907-1 | |
| linux | source | (unstable) | 6.12.25-1 | | | |
Notes
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/bf21e29d78cd2c2371023953d9c82dfef82ebb36 (6.15-rc1)