CVE-2026-93136

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: ep: Fix device refcount leak in the error path of MHI device creation mhi_ep_create_device() takes one device reference for the UL channel and another for the DL channel after allocating the transfer device. These references are normally released by mhi_ep_destroy_device() before the device itself is removed. If dev_set_name() or device_add() fails, the error path currently drops only one reference. The remaining channel references keep the device from being released and leave the channels associated with a device that was never registered. Route both failures through a common unwind path that drops the DL channel reference, the UL channel reference, and the initial reference from device_initialize().

• https://git.kernel.org/stable/c/4fae8fd4adc7f4765463ddeb1a5fad23936432f6
• https://git.kernel.org/stable/c/51ddb831a36102fd0ea25f354935e49abce9f0a1
• https://git.kernel.org/stable/c/5587e7871ce994bb079f97fe7e430d99627e5292
• https://git.kernel.org/stable/c/6f12862600bb70e599a614d706a095ea5f8f9858
• https://git.kernel.org/stable/c/8acc3813ab5015af73eeb74c9032443162f122d1
• https://git.kernel.org/stable/c/8f3f64faee335eb678fd7dca7b95dfe3d0b271fd

Published

Sep 17, 2026

Last Modified

Sep 17, 2026

Status

Received

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