CVE-2025-38609
MEDIUM severity · CVSS 5.5 · CWE-476
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Check governor before using governor->name Commit 96ffcdf239de ("PM / devfreq: Remove redundant governor_name from struct devfreq") removes governor_name and uses governor->name to replace it. But devfreq->governor may be NULL and directly using devfreq->governor->name may cause null pointer exception. Move the check of governor to before using governor->name.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (2)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/2731c68f536fddcb71332db7f8d78c5eb4684c04 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/2731c68f536fddcb71332db7f8d78c5eb4684c04Patch
- https://git.kernel.org/stable/c/631e101728df2a86b8fb761b49fad9712c651f8aPatch
- https://git.kernel.org/stable/c/75323a49aa603cf5484a6d74d0d329e86d756e11Patch
- https://git.kernel.org/stable/c/81f50619370045120c133bfdda5b320c8c97d41ePatch
- https://git.kernel.org/stable/c/bab7834c03820eb11269bc48f07c3800192460d2Patch
- https://git.kernel.org/stable/c/d5632359dbc44862fc1ed04093c1f57529830261Patch
- https://git.kernel.org/stable/c/f0479e878d4beb45e73c03e574c59f0a23ccd176Patch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlAdvisory