{"id":"CVE-2026-93136","title":"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 th…","summary":"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 th…","severity":"medium","vendor":"Linux","product":"Linux","affected":["Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 8acc3813ab5015af73eeb74c9032443162f122d1","Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 51ddb831a36102fd0ea25f354935e49abce9f0a1","Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 4fae8fd4adc7f4765463ddeb1a5fad23936432f6","Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 5587e7871ce994bb079f97fe7e430d99627e5292","Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 8f3f64faee335eb678fd7dca7b95dfe3d0b271fd","Linux >= 297c77a0f27312b9a04696018c4cbd47926ca92b < 6f12862600bb70e599a614d706a095ea5f8f9858","Linux 5.19"],"published":"2026-09-17","updated":"2026-09-17","sourceUpdated":"2026-09-17T17:18:08.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-93136","references":[{"url":"https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93136.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-93136"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536374"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-93136"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-93136"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-93136.mbox"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ingestedAt":"2026-09-17T16:21:47.745Z","epss":0.00215,"epssPercentile":0.11755,"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-911"],"slug":"CVE-2026-93136","body":"## Overview\n\nIn 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().\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · affected: Red Hat Enterprise Linux 10 · no fix planned: Red Hat Enterprise Linux 10 · updated 2026-09-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-93136.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":210001,"id":"CVE-2026-93136","ts":1790235653009,"field":"cvss","old":null,"new":"5.5"},{"seq":210000,"id":"CVE-2026-93136","ts":1790235653009,"field":"severity","old":"none","new":"medium"}]}