{"id":"CVE-2025-38609","state":"PUBLISHED","title":"PM / devfreq: Check governor before using governor->name","description":"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 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.","publishedAt":"2025-08-19T17:03:52.542Z","updatedAt":"2026-05-11T21:31:32.425Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"f0479e878d4beb45e73c03e574c59f0a23ccd176","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"631e101728df2a86b8fb761b49fad9712c651f8a","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"81f50619370045120c133bfdda5b320c8c97d41e","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"d5632359dbc44862fc1ed04093c1f57529830261","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"2731c68f536fddcb71332db7f8d78c5eb4684c04","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"75323a49aa603cf5484a6d74d0d329e86d756e11","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"bab7834c03820eb11269bc48f07c3800192460d2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/devfreq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.148","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.102","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.42","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.10","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.1","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/devfreq.c"]}],"references":["https://git.kernel.org/stable/c/f0479e878d4beb45e73c03e574c59f0a23ccd176","https://git.kernel.org/stable/c/631e101728df2a86b8fb761b49fad9712c651f8a","https://git.kernel.org/stable/c/81f50619370045120c133bfdda5b320c8c97d41e","https://git.kernel.org/stable/c/d5632359dbc44862fc1ed04093c1f57529830261","https://git.kernel.org/stable/c/2731c68f536fddcb71332db7f8d78c5eb4684c04","https://git.kernel.org/stable/c/75323a49aa603cf5484a6d74d0d329e86d756e11","https://git.kernel.org/stable/c/bab7834c03820eb11269bc48f07c3800192460d2","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38609.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38609","state":"PUBLISHED","datePublished":"2025-08-19T17:03:52.542Z","dateUpdated":"2026-05-11T21:31:32.425Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.029Z"},"containers":{"cna":{"title":"PM / devfreq: Check governor before using governor->name","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"f0479e878d4beb45e73c03e574c59f0a23ccd176","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"631e101728df2a86b8fb761b49fad9712c651f8a","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"81f50619370045120c133bfdda5b320c8c97d41e","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"d5632359dbc44862fc1ed04093c1f57529830261","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"2731c68f536fddcb71332db7f8d78c5eb4684c04","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"75323a49aa603cf5484a6d74d0d329e86d756e11","versionType":"git"},{"version":"96ffcdf239de6f9970178bb7d643e16fd9e68ab9","status":"affected","lessThan":"bab7834c03820eb11269bc48f07c3800192460d2","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/devfreq.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.148","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.102","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.42","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.10","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.1","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/devfreq/devfreq.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:31:32.425Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.190"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.1.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.6.102"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.12.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.15.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.16.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"6.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:40:22.664Z"}}]}}}