{"api_version":"1","generated_at":"2026-09-17T23:31:12+00:00","cve":"CVE-2026-93136","urls":{"html":"https://cve.report/CVE-2026-93136","api":"https://cve.report/api/cve/CVE-2026-93136.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-93136","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-93136"},"summary":{"title":"bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: ep: Fix device refcount leak in the error path of MHI device creation\n\nmhi_ep_create_device() takes one device reference for the UL channel and\nanother for the DL channel after allocating the transfer device. These\nreferences are normally released by mhi_ep_destroy_device() before the\ndevice itself is removed.\n\nIf dev_set_name() or device_add() fails, the error path currently drops\nonly one reference. The remaining channel references keep the device\nfrom being released and leave the channels associated with a device that\nwas never registered.\n\nRoute both failures through a common unwind path that drops the DL\nchannel reference, the UL channel reference, and the initial reference\nfrom device_initialize().","state":"PUBLISHED","assigner":"Linux","published_at":"2026-09-17 17:18:08","updated_at":"2026-09-17 17:18:08"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1","name":"https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1","name":"https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292","name":"https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6","name":"https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd","name":"https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858","name":"https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93136","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93136","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 297c77a0f27312b9a04696018c4cbd47926ca92b 8acc3813ab5015af73eeb74c9032443162f122d1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 297c77a0f27312b9a04696018c4cbd47926ca92b 51ddb831a36102fd0ea25f354935e49abce9f0a1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 297c77a0f27312b9a04696018c4cbd47926ca92b 4fae8fd4adc7f4765463ddeb1a5fad23936432f6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 297c77a0f27312b9a04696018c4cbd47926ca92b 5587e7871ce994bb079f97fe7e430d99627e5292 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: ep: Fix device refcount leak in the error path of MHI device creation\n\nmhi_ep_create_device() takes one device reference for the UL channel and\nanother for the DL channel after allocating the transfer device. These\nreferences are normally released by mhi_ep_destroy_device() before the\ndevice itself is removed.\n\nIf dev_set_name() or device_add() fails, the error path currently drops\nonly one reference. The remaining channel references keep the device\nfrom being released and leave the channels associated with a device that\nwas never registered.\n\nRoute both failures through a common unwind path that drops the DL\nchannel reference, the UL channel reference, and the initial reference\nfrom device_initialize()."}],"providerMetadata":{"dateUpdated":"2026-09-17T16:11:37.459Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1"},{"url":"https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1"},{"url":"https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6"},{"url":"https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292"},{"url":"https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd"},{"url":"https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858"}],"title":"bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-93136","datePublished":"2026-09-17T16:11:37.459Z","dateReserved":"2026-09-17T16:02:15.087Z","dateUpdated":"2026-09-17T16:11:37.459Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-17 17:18:08","lastModifiedDate":"2026-09-17 17:18:08","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"93136","Ordinal":"1","Title":"bus: mhi: ep: Fix device refcount leak in the error path of MHI ","CVE":"CVE-2026-93136","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"93136","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nbus: mhi: ep: Fix device refcount leak in the error path of MHI device creation\n\nmhi_ep_create_device() takes one device reference for the UL channel and\nanother for the DL channel after allocating the transfer device. These\nreferences are normally released by mhi_ep_destroy_device() before the\ndevice itself is removed.\n\nIf dev_set_name() or device_add() fails, the error path currently drops\nonly one reference. The remaining channel references keep the device\nfrom being released and leave the channels associated with a device that\nwas never registered.\n\nRoute both failures through a common unwind path that drops the DL\nchannel reference, the UL channel reference, and the initial reference\nfrom device_initialize().","Type":"Description","Title":"bus: mhi: ep: Fix device refcount leak in the error path of MHI "}]}}}