{"api_version":"1","generated_at":"2026-09-18T12:13:38+00:00","cve":"CVE-2026-90364","urls":{"html":"https://cve.report/CVE-2026-90364","api":"https://cve.report/api/cve/CVE-2026-90364.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-90364","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-90364"},"summary":{"title":"ACPI: processor: Unregister cpufreq notifier on init failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: Unregister cpufreq notifier on init failure\n\nacpi_processor_driver_init() registers the cpufreq policy notifier before\nregistering the ACPI processor driver and setting up CPU hotplug state.\n\nIf driver_register() or cpuhp_setup_state() fails, the error path only\nunregisters the ACPI processor driver and the idle driver. The cpufreq\nnotifier remains registered even though initialization failed.\n\nMirror the module exit path on the init failure path and unregister the\ncpufreq notifier when it has been registered.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:17:35","updated_at":"2026-09-17 17:17:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/06f32dd67e6b23a05bef0d8183c5335af91c0c3b","name":"https://git.kernel.org/stable/c/06f32dd67e6b23a05bef0d8183c5335af91c0c3b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/64976f3b34b07eb866ead4052cefe7e9ff45fd2f","name":"https://git.kernel.org/stable/c/64976f3b34b07eb866ead4052cefe7e9ff45fd2f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8f3036c5de8b651880f323e223b1604b6cfbff21","name":"https://git.kernel.org/stable/c/8f3036c5de8b651880f323e223b1604b6cfbff21","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ccee0785030978c49505e04954eee3f30a5f01ca","name":"https://git.kernel.org/stable/c/ccee0785030978c49505e04954eee3f30a5f01ca","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/182cd086b31ea4ccc1d8f2ec5b81e988dfe0b892","name":"https://git.kernel.org/stable/c/182cd086b31ea4ccc1d8f2ec5b81e988dfe0b892","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-90364","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-90364","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0e0421a60bf468e88cf569fbd727346b138ed04 ccee0785030978c49505e04954eee3f30a5f01ca git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0e0421a60bf468e88cf569fbd727346b138ed04 8f3036c5de8b651880f323e223b1604b6cfbff21 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0e0421a60bf468e88cf569fbd727346b138ed04 64976f3b34b07eb866ead4052cefe7e9ff45fd2f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0e0421a60bf468e88cf569fbd727346b138ed04 182cd086b31ea4ccc1d8f2ec5b81e988dfe0b892 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected c0e0421a60bf468e88cf569fbd727346b138ed04 06f32dd67e6b23a05bef0d8183c5335af91c0c3b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.3","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.3 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.157 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.110 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.52 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/acpi/processor_driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ccee0785030978c49505e04954eee3f30a5f01ca","status":"affected","version":"c0e0421a60bf468e88cf569fbd727346b138ed04","versionType":"git"},{"lessThan":"8f3036c5de8b651880f323e223b1604b6cfbff21","status":"affected","version":"c0e0421a60bf468e88cf569fbd727346b138ed04","versionType":"git"},{"lessThan":"64976f3b34b07eb866ead4052cefe7e9ff45fd2f","status":"affected","version":"c0e0421a60bf468e88cf569fbd727346b138ed04","versionType":"git"},{"lessThan":"182cd086b31ea4ccc1d8f2ec5b81e988dfe0b892","status":"affected","version":"c0e0421a60bf468e88cf569fbd727346b138ed04","versionType":"git"},{"lessThan":"06f32dd67e6b23a05bef0d8183c5335af91c0c3b","status":"affected","version":"c0e0421a60bf468e88cf569fbd727346b138ed04","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/acpi/processor_driver.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.3"},{"lessThan":"6.3","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.157","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.110","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.52","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.157","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.110","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.52","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.3","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: Unregister cpufreq notifier on init failure\n\nacpi_processor_driver_init() registers the cpufreq policy notifier before\nregistering the ACPI processor driver and setting up CPU hotplug state.\n\nIf driver_register() or cpuhp_setup_state() fails, the error path only\nunregisters the ACPI processor driver and the idle driver. The cpufreq\nnotifier remains registered even though initialization failed.\n\nMirror the module exit path on the init failure path and unregister the\ncpufreq notifier when it has been registered."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:09:07.474Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ccee0785030978c49505e04954eee3f30a5f01ca"},{"url":"https://git.kernel.org/stable/c/8f3036c5de8b651880f323e223b1604b6cfbff21"},{"url":"https://git.kernel.org/stable/c/64976f3b34b07eb866ead4052cefe7e9ff45fd2f"},{"url":"https://git.kernel.org/stable/c/182cd086b31ea4ccc1d8f2ec5b81e988dfe0b892"},{"url":"https://git.kernel.org/stable/c/06f32dd67e6b23a05bef0d8183c5335af91c0c3b"}],"title":"ACPI: processor: Unregister cpufreq notifier on init failure","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-90364","datePublished":"2026-09-17T16:09:07.474Z","dateReserved":"2026-09-11T19:38:34.807Z","dateUpdated":"2026-09-17T16:09:07.474Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:17:35","lastModifiedDate":"2026-09-17 17:17:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"90364","Ordinal":"1","Title":"ACPI: processor: Unregister cpufreq notifier on init failure","CVE":"CVE-2026-90364","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"90364","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: processor: Unregister cpufreq notifier on init failure\n\nacpi_processor_driver_init() registers the cpufreq policy notifier before\nregistering the ACPI processor driver and setting up CPU hotplug state.\n\nIf driver_register() or cpuhp_setup_state() fails, the error path only\nunregisters the ACPI processor driver and the idle driver. The cpufreq\nnotifier remains registered even though initialization failed.\n\nMirror the module exit path on the init failure path and unregister the\ncpufreq notifier when it has been registered.","Type":"Description","Title":"ACPI: processor: Unregister cpufreq notifier on init failure"}]}}}