{"api_version":"1","generated_at":"2026-05-13T11:15:36+00:00","cve":"CVE-2026-43328","urls":{"html":"https://cve.report/CVE-2026-43328","api":"https://cve.report/api/cve/CVE-2026-43328.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43328","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43328"},"summary":{"title":"cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path\n\nWhen kobject_init_and_add() fails, cpufreq_dbs_governor_init() calls\nkobject_put(&dbs_data->attr_set.kobj).\n\nThe kobject release callback cpufreq_dbs_data_release() calls\ngov->exit(dbs_data) and kfree(dbs_data), but the current error path\nthen calls gov->exit(dbs_data) and kfree(dbs_data) again, causing a\ndouble free.\n\nKeep the direct kfree(dbs_data) for the gov->init() failure path, but\nafter kobject_init_and_add() has been called, let kobject_put() handle\nthe cleanup through cpufreq_dbs_data_release().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-08 14:16:42","updated_at":"2026-05-12 14:10:27"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/427d048e4f6acbfa01b5a8062449fe0ee8987c0d","name":"https://git.kernel.org/stable/c/427d048e4f6acbfa01b5a8062449fe0ee8987c0d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357","name":"https://git.kernel.org/stable/c/d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/56bc91ee78babe9578585a2bc137abc4b3115ff3","name":"https://git.kernel.org/stable/c/56bc91ee78babe9578585a2bc137abc4b3115ff3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e","name":"https://git.kernel.org/stable/c/6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/019ea28629720c220daedf38107c8787f330dc05","name":"https://git.kernel.org/stable/c/019ea28629720c220daedf38107c8787f330dc05","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/da39ee627fd82b52068d4d5f115749a8b7d271f9","name":"https://git.kernel.org/stable/c/da39ee627fd82b52068d4d5f115749a8b7d271f9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3bf9d023d2329a0e5379f2fd09d06ef09729cd9d","name":"https://git.kernel.org/stable/c/3bf9d023d2329a0e5379f2fd09d06ef09729cd9d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43328","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43328","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee 56bc91ee78babe9578585a2bc137abc4b3115ff3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee 019ea28629720c220daedf38107c8787f330dc05 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee da39ee627fd82b52068d4d5f115749a8b7d271f9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee 427d048e4f6acbfa01b5a8062449fe0ee8987c0d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee 3bf9d023d2329a0e5379f2fd09d06ef09729cd9d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4ebe36c94aed95de71a8ce6a6762226d31c938ee 6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected e977b1477a6725868302957e6b5c330220391797 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.253 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.168 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.134 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.81 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.22 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.19.12 6.19.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.0 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"43328","cve":"CVE-2026-43328","epss":"0.000240000","percentile":"0.070360000","score_date":"2026-05-12","updated_at":"2026-05-13 00:11:53"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/cpufreq/cpufreq_governor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"56bc91ee78babe9578585a2bc137abc4b3115ff3","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"019ea28629720c220daedf38107c8787f330dc05","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"da39ee627fd82b52068d4d5f115749a8b7d271f9","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"427d048e4f6acbfa01b5a8062449fe0ee8987c0d","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"3bf9d023d2329a0e5379f2fd09d06ef09729cd9d","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"lessThan":"6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e","status":"affected","version":"4ebe36c94aed95de71a8ce6a6762226d31c938ee","versionType":"git"},{"status":"affected","version":"e977b1477a6725868302957e6b5c330220391797","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cpufreq/cpufreq_governor.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.253","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.168","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.134","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.81","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.22","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.19.12","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.0","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.1.6","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path\n\nWhen kobject_init_and_add() fails, cpufreq_dbs_governor_init() calls\nkobject_put(&dbs_data->attr_set.kobj).\n\nThe kobject release callback cpufreq_dbs_data_release() calls\ngov->exit(dbs_data) and kfree(dbs_data), but the current error path\nthen calls gov->exit(dbs_data) and kfree(dbs_data) again, causing a\ndouble free.\n\nKeep the direct kfree(dbs_data) for the gov->init() failure path, but\nafter kobject_init_and_add() has been called, let kobject_put() handle\nthe cleanup through cpufreq_dbs_data_release()."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:22:26.516Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/56bc91ee78babe9578585a2bc137abc4b3115ff3"},{"url":"https://git.kernel.org/stable/c/019ea28629720c220daedf38107c8787f330dc05"},{"url":"https://git.kernel.org/stable/c/da39ee627fd82b52068d4d5f115749a8b7d271f9"},{"url":"https://git.kernel.org/stable/c/427d048e4f6acbfa01b5a8062449fe0ee8987c0d"},{"url":"https://git.kernel.org/stable/c/d2703b4f8fb7cc6f0dfdb2dc2359cc46189e7357"},{"url":"https://git.kernel.org/stable/c/3bf9d023d2329a0e5379f2fd09d06ef09729cd9d"},{"url":"https://git.kernel.org/stable/c/6dcf9d0064ce2f3e3dfe5755f98b93abe6a98e1e"}],"title":"cpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43328","datePublished":"2026-05-08T13:31:16.787Z","dateReserved":"2026-05-01T14:12:56.002Z","dateUpdated":"2026-05-11T22:22:26.516Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-08 14:16:42","lastModifiedDate":"2026-05-12 14:10:27","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"43328","Ordinal":"1","Title":"cpufreq: governor: fix double free in cpufreq_dbs_governor_init(","CVE":"CVE-2026-43328","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43328","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: governor: fix double free in cpufreq_dbs_governor_init() error path\n\nWhen kobject_init_and_add() fails, cpufreq_dbs_governor_init() calls\nkobject_put(&dbs_data->attr_set.kobj).\n\nThe kobject release callback cpufreq_dbs_data_release() calls\ngov->exit(dbs_data) and kfree(dbs_data), but the current error path\nthen calls gov->exit(dbs_data) and kfree(dbs_data) again, causing a\ndouble free.\n\nKeep the direct kfree(dbs_data) for the gov->init() failure path, but\nafter kobject_init_and_add() has been called, let kobject_put() handle\nthe cleanup through cpufreq_dbs_data_release().","Type":"Description","Title":"cpufreq: governor: fix double free in cpufreq_dbs_governor_init("}]}}}