CVE-2025-22038
7.1
HIGH
CVSS 3.1
EPSS 0.06%
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.
How to fix CVE-2025-22038
To remediate CVE-2025-22038, upgrade the affected package to a fixed version below.
- —upgrade to 6.1.135-1 or later
- —upgrade to 6.1.137-1~deb11u1 or later
Is CVE-2025-22038 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.1.135-1
- from 0, < 6.1.137-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H |