{"id":"CVE-2026-97904","revision":"a34871b0f1bc4a5c9f92aac7067cf1c4","records":[{"revision":"a34871b0f1bc4a5c9f92aac7067cf1c4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-97904","aliases":[],"title":"cpufreq: initialize policy rwsem before sysfs publication","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: initialize policy rwsem before sysfs publication\n\ncpufreq_policy_alloc() initializes policy->rwsem after\nkobject_init_and_add() has created the policy sysfs directory and its\ndefault attributes. A sysfs access can therefore reach a policy callback\nbefore the semaphore has been initialized.\n\nInitialize policy->rwsem before publishing the policy kobject so sysfs\ncallbacks always see an initialized semaphore.","state":0,"publishedAt":"2026-09-25T10:22:30.444+00:00","modifiedAt":"2026-10-19T09:10:30.506+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/cpufreq/cpufreq.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"c9d8435814f2ac533c40fe3f35d94235bc3a9443\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"82a54923700da5de83ce2b26c0b43f6b5005c8f1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"b14987a0f73777644099f47f01aba3b0f9dc6c27\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"b22193eea2ce32c39dda5e09f9c2be2f3fd7eb4a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"dc11263cb05ed519758fd135fe08d611bad1f241\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"27c9b491bf7604e83b50c3bbfa18a30266ff345f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"2cee937f779f69b195b37bbec1e888da9bfe9d58\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2fc3384dc75bf7333384c7a16d12c796f61c3f56\",\n                            \"lessThan\": \"3e5d1bf4bd687beb2cb4e32a07af695455925588\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/cpufreq/cpufreq.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.2\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.271\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.222\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.189\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/c9d8435814f2ac533c40fe3f35d94235bc3a9443","https://git.kernel.org/stable/c/82a54923700da5de83ce2b26c0b43f6b5005c8f1","https://git.kernel.org/stable/c/b14987a0f73777644099f47f01aba3b0f9dc6c27","https://git.kernel.org/stable/c/b22193eea2ce32c39dda5e09f9c2be2f3fd7eb4a","https://git.kernel.org/stable/c/dc11263cb05ed519758fd135fe08d611bad1f241","https://git.kernel.org/stable/c/27c9b491bf7604e83b50c3bbfa18a30266ff345f","https://git.kernel.org/stable/c/2cee937f779f69b195b37bbec1e888da9bfe9d58","https://git.kernel.org/stable/c/3e5d1bf4bd687beb2cb4e32a07af695455925588"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97904","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97904","identifiers":["CVE-2026-97904"]},"retained":false,"historicalAffected":[]}],"coverage":[]}