{"api_version":"1","generated_at":"2026-06-23T05:39:49+00:00","cve":"CVE-2026-46292","urls":{"html":"https://cve.report/CVE-2026-46292","api":"https://cve.report/api/cve/CVE-2026-46292.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46292","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46292"},"summary":{"title":"pmdomain: core: Fix detach procedure for virtual devices in genpd","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: core: Fix detach procedure for virtual devices in genpd\n\nIf a device is attached to a PM domain through genpd_dev_pm_attach_by_id(),\ngenpd calls pm_runtime_enable() for the corresponding virtual device that\nit registers. While this avoids boilerplate code in drivers, there is no\ncorresponding call to pm_runtime_disable() in genpd_dev_pm_detach().\n\nThis means these virtual devices are typically detached from its genpd,\nwhile runtime PM remains enabled for them, which is not how things are\ndesigned to work. In worst cases it may lead to critical errors, like a\nNULL pointer dereference bug in genpd_runtime_suspend(), which was recently\nreported. For another case, we may end up keeping an unnecessary vote for a\nperformance state for the device.\n\nTo fix these problems, let's add this missing call to pm_runtime_disable()\nin genpd_dev_pm_detach().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-06-08 17:16:47","updated_at":"2026-06-19 13:16:35"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/51a7dd9cbae9210335ce398642ecaaa52c939eb5","name":"https://git.kernel.org/stable/c/51a7dd9cbae9210335ce398642ecaaa52c939eb5","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/707cb5df3eab32ddc52979418f7ace62941e6381","name":"https://git.kernel.org/stable/c/707cb5df3eab32ddc52979418f7ace62941e6381","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/361518a26e4434e879db6ff43bf364795dcbfbff","name":"https://git.kernel.org/stable/c/361518a26e4434e879db6ff43bf364795dcbfbff","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e8f8dad44f024a5c99e54a48ad5c943fa8e54319","name":"https://git.kernel.org/stable/c/e8f8dad44f024a5c99e54a48ad5c943fa8e54319","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/52e485ed0dcb5496864003ba9ffcef7d5b613f83","name":"https://git.kernel.org/stable/c/52e485ed0dcb5496864003ba9ffcef7d5b613f83","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8d44391a7f29e4601e8243f13498d0219bab2576","name":"https://git.kernel.org/stable/c/8d44391a7f29e4601e8243f13498d0219bab2576","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/98b8104978474d381256a2b2fb0e7ca8e05a7bfa","name":"https://git.kernel.org/stable/c/98b8104978474d381256a2b2fb0e7ca8e05a7bfa","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/26735dfdd8930d9ef1fa92e590a9bf77726efdf6","name":"https://git.kernel.org/stable/c/26735dfdd8930d9ef1fa92e590a9bf77726efdf6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-46292","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46292","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3c095f32a92be4d07f3172a777dab1aacdb6a728 e8f8dad44f024a5c99e54a48ad5c943fa8e54319 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3c095f32a92be4d07f3172a777dab1aacdb6a728 98b8104978474d381256a2b2fb0e7ca8e05a7bfa git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3c095f32a92be4d07f3172a777dab1aacdb6a728 52e485ed0dcb5496864003ba9ffcef7d5b613f83 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 3c095f32a92be4d07f3172a777dab1aacdb6a728 707cb5df3eab32ddc52979418f7ace62941e6381 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: core: Fix detach procedure for virtual devices in genpd\n\nIf a device is attached to a PM domain through genpd_dev_pm_attach_by_id(),\ngenpd calls pm_runtime_enable() for the corresponding virtual device that\nit registers. While this avoids boilerplate code in drivers, there is no\ncorresponding call to pm_runtime_disable() in genpd_dev_pm_detach().\n\nThis means these virtual devices are typically detached from its genpd,\nwhile runtime PM remains enabled for them, which is not how things are\ndesigned to work. In worst cases it may lead to critical errors, like a\nNULL pointer dereference bug in genpd_runtime_suspend(), which was recently\nreported. For another case, we may end up keeping an unnecessary vote for a\nperformance state for the device.\n\nTo fix these problems, let's add this missing call to pm_runtime_disable()\nin genpd_dev_pm_detach()."}],"providerMetadata":{"dateUpdated":"2026-06-19T12:00:08.563Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e8f8dad44f024a5c99e54a48ad5c943fa8e54319"},{"url":"https://git.kernel.org/stable/c/98b8104978474d381256a2b2fb0e7ca8e05a7bfa"},{"url":"https://git.kernel.org/stable/c/52e485ed0dcb5496864003ba9ffcef7d5b613f83"},{"url":"https://git.kernel.org/stable/c/707cb5df3eab32ddc52979418f7ace62941e6381"},{"url":"https://git.kernel.org/stable/c/361518a26e4434e879db6ff43bf364795dcbfbff"},{"url":"https://git.kernel.org/stable/c/51a7dd9cbae9210335ce398642ecaaa52c939eb5"},{"url":"https://git.kernel.org/stable/c/8d44391a7f29e4601e8243f13498d0219bab2576"},{"url":"https://git.kernel.org/stable/c/26735dfdd8930d9ef1fa92e590a9bf77726efdf6"}],"title":"pmdomain: core: Fix detach procedure for virtual devices in genpd","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-46292","datePublished":"2026-06-08T15:46:19.431Z","dateReserved":"2026-05-13T15:03:33.110Z","dateUpdated":"2026-06-19T12:00:08.563Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-06-08 17:16:47","lastModifiedDate":"2026-06-19 13:16:35","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"46292","Ordinal":"1","Title":"pmdomain: core: Fix detach procedure for virtual devices in genp","CVE":"CVE-2026-46292","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"46292","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\npmdomain: core: Fix detach procedure for virtual devices in genpd\n\nIf a device is attached to a PM domain through genpd_dev_pm_attach_by_id(),\ngenpd calls pm_runtime_enable() for the corresponding virtual device that\nit registers. While this avoids boilerplate code in drivers, there is no\ncorresponding call to pm_runtime_disable() in genpd_dev_pm_detach().\n\nThis means these virtual devices are typically detached from its genpd,\nwhile runtime PM remains enabled for them, which is not how things are\ndesigned to work. In worst cases it may lead to critical errors, like a\nNULL pointer dereference bug in genpd_runtime_suspend(), which was recently\nreported. For another case, we may end up keeping an unnecessary vote for a\nperformance state for the device.\n\nTo fix these problems, let's add this missing call to pm_runtime_disable()\nin genpd_dev_pm_detach().","Type":"Description","Title":"pmdomain: core: Fix detach procedure for virtual devices in genp"}]}}}