{"id":"CVE-2025-38609","title":"PM / devfreq: Check governor before using governor->name","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Check governor before using governor->name\n\nCommit 96ffcdf239de (\"PM / devfreq: Remove redundant governor_name from\nstruct devfreq\") removes governor_name…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < f0479e878d4beb45e73c03e574c59f0a23ccd176","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 631e101728df2a86b8fb761b49fad9712c651f8a","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 81f50619370045120c133bfdda5b320c8c97d41e","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < d5632359dbc44862fc1ed04093c1f57529830261","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 2731c68f536fddcb71332db7f8d78c5eb4684c04","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 75323a49aa603cf5484a6d74d0d329e86d756e11","Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < bab7834c03820eb11269bc48f07c3800192460d2","Linux 5.11"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:05:01.111890Z"},"published":"2025-08-19","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:48.856Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38609","references":[{"url":"https://git.kernel.org/stable/c/f0479e878d4beb45e73c03e574c59f0a23ccd176"},{"url":"https://git.kernel.org/stable/c/631e101728df2a86b8fb761b49fad9712c651f8a"},{"url":"https://git.kernel.org/stable/c/81f50619370045120c133bfdda5b320c8c97d41e"},{"url":"https://git.kernel.org/stable/c/d5632359dbc44862fc1ed04093c1f57529830261"},{"url":"https://git.kernel.org/stable/c/2731c68f536fddcb71332db7f8d78c5eb4684c04"},{"url":"https://git.kernel.org/stable/c/75323a49aa603cf5484a6d74d0d329e86d756e11"},{"url":"https://git.kernel.org/stable/c/bab7834c03820eb11269bc48f07c3800192460d2"}],"tags":["cve.org"],"epss":0.00166,"epssPercentile":0.05914,"ingestedAt":"2026-11-05T22:38:31.999Z","slug":"CVE-2025-38609","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Check governor before using governor->name\n\nCommit 96ffcdf239de (\"PM / devfreq: Remove redundant governor_name from\nstruct devfreq\") removes governor_name and uses governor->name to replace\nit. But devfreq->governor may be NULL and directly using\ndevfreq->governor->name may cause null pointer exception. Move the check of\ngovernor to before using governor->name.\n\n## Affected\n\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < f0479e878d4beb45e73c03e574c59f0a23ccd176`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 631e101728df2a86b8fb761b49fad9712c651f8a`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 81f50619370045120c133bfdda5b320c8c97d41e`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < d5632359dbc44862fc1ed04093c1f57529830261`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 2731c68f536fddcb71332db7f8d78c5eb4684c04`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < 75323a49aa603cf5484a6d74d0d329e86d756e11`\n- `Linux >= 96ffcdf239de6f9970178bb7d643e16fd9e68ab9 < bab7834c03820eb11269bc48f07c3800192460d2`\n- `Linux 5.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}