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vuln-cve/data/2026/97xxx/CVE-2026-97904.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-97904",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:18:58.200Z",
"datePublished": "2026-09-25T10:22:30.444Z",
"dateUpdated": "2026-10-19T09:10:30.506Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-19T09:10:30.506Z"
},
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/cpufreq/cpufreq.c"
],
"versions": [
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "c9d8435814f2ac533c40fe3f35d94235bc3a9443",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "82a54923700da5de83ce2b26c0b43f6b5005c8f1",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "b14987a0f73777644099f47f01aba3b0f9dc6c27",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "b22193eea2ce32c39dda5e09f9c2be2f3fd7eb4a",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "dc11263cb05ed519758fd135fe08d611bad1f241",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "27c9b491bf7604e83b50c3bbfa18a30266ff345f",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "2cee937f779f69b195b37bbec1e888da9bfe9d58",
"status": "affected",
"versionType": "git"
},
{
"version": "2fc3384dc75bf7333384c7a16d12c796f61c3f56",
"lessThan": "3e5d1bf4bd687beb2cb4e32a07af695455925588",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/cpufreq/cpufreq.c"
],
"versions": [
{
"version": "4.2",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.2",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.271",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.222",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.189",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.158",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.111",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.53",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.7",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "5.10.271"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "5.15.222"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "6.1.189"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "6.6.158"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "6.12.111"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "6.18.53"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "7.2.7"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.2",
"versionEndExcluding": "7.3"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c9d8435814f2ac533c40fe3f35d94235bc3a9443"
},
{
"url": "https://git.kernel.org/stable/c/82a54923700da5de83ce2b26c0b43f6b5005c8f1"
},
{
"url": "https://git.kernel.org/stable/c/b14987a0f73777644099f47f01aba3b0f9dc6c27"
},
{
"url": "https://git.kernel.org/stable/c/b22193eea2ce32c39dda5e09f9c2be2f3fd7eb4a"
},
{
"url": "https://git.kernel.org/stable/c/dc11263cb05ed519758fd135fe08d611bad1f241"
},
{
"url": "https://git.kernel.org/stable/c/27c9b491bf7604e83b50c3bbfa18a30266ff345f"
},
{
"url": "https://git.kernel.org/stable/c/2cee937f779f69b195b37bbec1e888da9bfe9d58"
},
{
"url": "https://git.kernel.org/stable/c/3e5d1bf4bd687beb2cb4e32a07af695455925588"
}
],
"title": "cpufreq: initialize policy rwsem before sysfs publication",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}
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